2101001222 has 8 divisors (see below), whose sum is σ = 3260174400. Its totient is φ = 1014276424.

The previous prime is 2101001207. The next prime is 2101001237. The reversal of 2101001222 is 2221001012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2101001207) and next prime (2101001237).

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

It is a super-2 number, since 2×2101001222² = 8828412269690986568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18112022 + ... + 18112137.

It is an arithmetic number, because the mean of its divisors is an integer number (407521800).

Almost surely, 2^2101001222 is an apocalyptic number.

2101001222 is a deficient number, since it is larger than the sum of its proper divisors (1159173178).

2101001222 is a wasteful number, since it uses less digits than its factorization.

2101001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36224190.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2101001222 is about 45836.6798754011. The cubic root of 2101001222 is about 1280.7826475785.

Adding to 2101001222 its reverse (2221001012), we get a palindrome (4322002234).

The spelling of 2101001222 in words is "two billion, one hundred one million, one thousand, two hundred twenty-two".