10011112211021 has 4 divisors (see below), whose sum is σ = 10243928774112. Its totient is φ = 9778295647932.

The previous prime is 10011112210991. The next prime is 10011112211033. The reversal of 10011112211021 is 12011221111001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10011112211021 - 2²² = 10011108016717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011112210987 and 10011112211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011112211621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116408281481 + ... + 116408281566.

It is an arithmetic number, because the mean of its divisors is an integer number (2560982193528).

Almost surely, 2^{10011112211021} is an apocalyptic number.

It is an amenable number.

10011112211021 is a deficient number, since it is larger than the sum of its proper divisors (232816563091).

10011112211021 is an equidigital number, since it uses as much as digits as its factorization.

10011112211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232816563090.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10011112211021 its reverse (12011221111001), we get a palindrome (22022333322022).

The spelling of 10011112211021 in words is "ten trillion, eleven billion, one hundred twelve million, two hundred eleven thousand, twenty-one".