10111010112021 has 32 divisors (see below), whose sum is σ = 16978297262080. Its totient is φ = 5209250284224.

The previous prime is 10111010112013. The next prime is 10111010112023. The reversal of 10111010112021 is 12021101011101.

It is not a de Polignac number, because 10111010112021 - 2³ = 10111010112013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10111010111988 and 10111010112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111010112023) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 430647181 + ... + 430670658.

It is an arithmetic number, because the mean of its divisors is an integer number (530571789440).

Almost surely, 2^{10111010112021} is an apocalyptic number.

It is an amenable number.

10111010112021 is a deficient number, since it is larger than the sum of its proper divisors (6867287150059).

10111010112021 is a wasteful number, since it uses less digits than its factorization.

10111010112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861317905.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10111010112021 its reverse (12021101011101), we get a palindrome (22132111123122).

The spelling of 10111010112021 in words is "ten trillion, one hundred eleven billion, ten million, one hundred twelve thousand, twenty-one".