10111002201021 has 32 divisors (see below), whose sum is σ = 14018651208576. Its totient is φ = 6477617664000.

The previous prime is 10111002200989. The next prime is 10111002201043. The reversal of 10111002201021 is 12010220011101.

It is not a de Polignac number, because 10111002201021 - 2⁵ = 10111002200989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10111002200988 and 10111002201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111002201061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509251 + ... + 4525631.

It is an arithmetic number, because the mean of its divisors is an integer number (438082850268).

Almost surely, 2^{10111002201021} is an apocalyptic number.

It is an amenable number.

10111002201021 is a deficient number, since it is larger than the sum of its proper divisors (3907649007555).

10111002201021 is a wasteful number, since it uses less digits than its factorization.

10111002201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016733.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10111002201021 its reverse (12010220011101), we get a palindrome (22121222212122).

The spelling of 10111002201021 in words is "ten trillion, one hundred eleven billion, two million, two hundred one thousand, twenty-one".