10100101012921 has 2 divisors, whose sum is σ = 10100101012922. Its totient is φ = 10100101012920.

The previous prime is 10100101012907. The next prime is 10100101012931. The reversal of 10100101012921 is 12921010100101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9301499626896 + 798601386025 = 3049836^2 + 893645^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100101012921 - 2⁵ = 10100101012889 is a prime.

It is not a weakly prime, because it can be changed into another prime (10100101012931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050050506460 + 5050050506461.

It is an arithmetic number, because the mean of its divisors is an integer number (5050050506461).

Almost surely, 2^{10100101012921} is an apocalyptic number.

It is an amenable number.

10100101012921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100101012921 is an equidigital number, since it uses as much as digits as its factorization.

10100101012921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 10100101012921 in words is "ten trillion, one hundred billion, one hundred one million, twelve thousand, nine hundred twenty-one".