10111020311021 has 8 divisors (see below), whose sum is σ = 11555526528000. Its totient is φ = 8666532780048.

The previous prime is 10111020311011. The next prime is 10111020311039. The reversal of 10111020311021 is 12011302011101.

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

It is a cyclic number.

It is not a de Polignac number, because 10111020311021 - 2³⁴ = 10093840441837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10111020310987 and 10111020311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111020311011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492146 + ... + 5693603.

It is an arithmetic number, because the mean of its divisors is an integer number (1444440816000).

Almost surely, 2^{10111020311021} is an apocalyptic number.

It is an amenable number.

10111020311021 is a deficient number, since it is larger than the sum of its proper divisors (1444506216979).

10111020311021 is an equidigital number, since it uses as much as digits as its factorization.

10111020311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343003.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10111020311021 its reverse (12011302011101), we get a palindrome (22122322322122).

The spelling of 10111020311021 in words is "ten trillion, one hundred eleven billion, twenty million, three hundred eleven thousand, twenty-one".