20110001202131 has 2 divisors, whose sum is σ = 20110001202132. Its totient is φ = 20110001202130.

The previous prime is 20110001202079. The next prime is 20110001202173. The reversal of 20110001202131 is 13120210001102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20110001202131 - 2²² = 20109997007827 is a prime.

It is a super-2 number, since 2×20110001202131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20110001282131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055000601065 + 10055000601066.

It is an arithmetic number, because the mean of its divisors is an integer number (10055000601066).

Almost surely, 2^{20110001202131} is an apocalyptic number.

20110001202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110001202131 is an equidigital number, since it uses as much as digits as its factorization.

20110001202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20110001202131 its reverse (13120210001102), we get a palindrome (33230211203233).

The spelling of 20110001202131 in words is "twenty trillion, one hundred ten billion, one million, two hundred two thousand, one hundred thirty-one".