122111830 has 32 divisors (see below), whose sum is σ = 234710784. Its totient is φ = 45630816.

The previous prime is 122111809. The next prime is 122111851. The reversal of 122111830 is 38111221.

It is an interprime number because it is at equal distance from previous prime (122111809) and next prime (122111851).

It is a super-2 number, since 2×122111830² = 29822598051897800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111798 and 122111807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717 + ... + 16063.

It is an arithmetic number, because the mean of its divisors is an integer number (7334712).

Almost surely, 2^122111830 is an apocalyptic number.

122111830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111830 is a deficient number, since it is larger than the sum of its proper divisors (112598954).

122111830 is a wasteful number, since it uses less digits than its factorization.

122111830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12420.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 122111830 is about 11050.4221638813. The cubic root of 122111830 is about 496.1190612332.

It can be divided in two parts, 12211 and 1830, that added together give a palindrome (14041).

The spelling of 122111830 in words is "one hundred twenty-two million, one hundred eleven thousand, eight hundred thirty".