2120102031 has 8 divisors (see below), whose sum is σ = 2873143984. Its totient is φ = 1390230720.

The previous prime is 2120102029. The next prime is 2120102041. The reversal of 2120102031 is 1302010212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120102031 - 2¹ = 2120102029 is a prime.

It is a super-2 number, since 2×2120102031² = 8989665243700649922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120101998 and 2120102016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120102041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5792446 + ... + 5792811.

It is an arithmetic number, because the mean of its divisors is an integer number (359142998).

Almost surely, 2^2120102031 is an apocalyptic number.

2120102031 is a deficient number, since it is larger than the sum of its proper divisors (753041953).

2120102031 is a wasteful number, since it uses less digits than its factorization.

2120102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11585321.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120102031 is about 46044.5657054120. The cubic root of 2120102031 is about 1284.6522662266.

Adding to 2120102031 its reverse (1302010212), we get a palindrome (3422112243).

The spelling of 2120102031 in words is "two billion, one hundred twenty million, one hundred two thousand, thirty-one".