21112211034131 has 8 divisors (see below), whose sum is σ = 24960249498720. Its totient is φ = 17472174648768.

The previous prime is 21112211034107. The next prime is 21112211034133. The reversal of 21112211034131 is 13143011221112.

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

It is not a de Polignac number, because 21112211034131 - 2³⁰ = 21111137292307 is a prime.

It is a super-2 number, since 2×21112211034131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21112211034097 and 21112211034106.

It is not an unprimeable number, because it can be changed into a prime (21112211034133) 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, 52000519586 + ... + 52000519991.

It is an arithmetic number, because the mean of its divisors is an integer number (3120031187340).

Almost surely, 2^{21112211034131} is an apocalyptic number.

21112211034131 is a deficient number, since it is larger than the sum of its proper divisors (3848038464589).

21112211034131 is a wasteful number, since it uses less digits than its factorization.

21112211034131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104001039613.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 21112211034131 its reverse (13143011221112), we get a palindrome (34255222255243).

The spelling of 21112211034131 in words is "twenty-one trillion, one hundred twelve billion, two hundred eleven million, thirty-four thousand, one hundred thirty-one".