21100022014031 has 2 divisors, whose sum is σ = 21100022014032. Its totient is φ = 21100022014030.

The previous prime is 21100022014009. The next prime is 21100022014067. The reversal of 21100022014031 is 13041022000112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21100022014031 is a prime.

It is a super-2 number, since 2×21100022014031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21100022017031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550011007015 + 10550011007016.

It is an arithmetic number, because the mean of its divisors is an integer number (10550011007016).

Almost surely, 2^{21100022014031} is an apocalyptic number.

21100022014031 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100022014031 is an equidigital number, since it uses as much as digits as its factorization.

21100022014031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21100022014031 its reverse (13041022000112), we get a palindrome (34141044014143).

The spelling of 21100022014031 in words is "twenty-one trillion, one hundred billion, twenty-two million, fourteen thousand, thirty-one".