21110100101131 has 2 divisors, whose sum is σ = 21110100101132. Its totient is φ = 21110100101130.

The previous prime is 21110100101011. The next prime is 21110100101143. The reversal of 21110100101131 is 13110100101112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21110100101131 - 2³¹ = 21107952617483 is a prime.

It is a super-2 number, since 2×21110100101131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21110100101161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555050050565 + 10555050050566.

It is an arithmetic number, because the mean of its divisors is an integer number (10555050050566).

Almost surely, 2^{21110100101131} is an apocalyptic number.

21110100101131 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110100101131 is an equidigital number, since it uses as much as digits as its factorization.

21110100101131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 21110100101131 its reverse (13110100101112), we get a palindrome (34220200202243).

The spelling of 21110100101131 in words is "twenty-one trillion, one hundred ten billion, one hundred million, one hundred one thousand, one hundred thirty-one".