101110202112021 has 16 divisors (see below), whose sum is σ = 134978910385536. Its totient is φ = 67324149446976.

The previous prime is 101110202112019. The next prime is 101110202112071. The reversal of 101110202112021 is 120211202011101.

It is a happy number.

It is not a de Polignac number, because 101110202112021 - 2¹ = 101110202112019 is a prime.

It is a super-2 number, since 2×101110202112021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110202112071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304738411 + ... + 305070023.

It is an arithmetic number, because the mean of its divisors is an integer number (8436181899096).

Almost surely, 2^{101110202112021} is an apocalyptic number.

It is an amenable number.

101110202112021 is a deficient number, since it is larger than the sum of its proper divisors (33868708273515).

101110202112021 is a wasteful number, since it uses less digits than its factorization.

101110202112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455932.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101110202112021 its reverse (120211202011101), we get a palindrome (221321404123122).

The spelling of 101110202112021 in words is "one hundred one trillion, one hundred ten billion, two hundred two million, one hundred twelve thousand, twenty-one".