202101290971 has 2 divisors, whose sum is σ = 202101290972. Its totient is φ = 202101290970.

The previous prime is 202101290953. The next prime is 202101290999. The reversal of 202101290971 is 179092101202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202101290971 - 2¹⁷ = 202101159899 is a prime.

It is a super-2 number, since 2×202101290971² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202101290921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050645485 + 101050645486.

It is an arithmetic number, because the mean of its divisors is an integer number (101050645486).

Almost surely, 2^202101290971 is an apocalyptic number.

202101290971 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101290971 is an equidigital number, since it uses as much as digits as its factorization.

202101290971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 202101290971 in words is "two hundred two billion, one hundred one million, two hundred ninety thousand, nine hundred seventy-one".