10211021202131 has 2 divisors, whose sum is σ = 10211021202132. Its totient is φ = 10211021202130.

The previous prime is 10211021202097. The next prime is 10211021202251. The reversal of 10211021202131 is 13120212011201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211021202131 - 2¹⁴ = 10211021185747 is a prime.

It is a super-2 number, since 2×10211021202131² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10211021202331) 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 as a sum of consecutive naturals, namely, 5105510601065 + 5105510601066.

It is an arithmetic number, because the mean of its divisors is an integer number (5105510601066).

Almost surely, 2^{10211021202131} is an apocalyptic number.

10211021202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211021202131 is an equidigital number, since it uses as much as digits as its factorization.

10211021202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10211021202131 its reverse (13120212011201), we get a palindrome (23331233213332).

The spelling of 10211021202131 in words is "ten trillion, two hundred eleven billion, twenty-one million, two hundred two thousand, one hundred thirty-one".