202101001129 has 2 divisors, whose sum is σ = 202101001130. Its totient is φ = 202101001128.

The previous prime is 202101001057. The next prime is 202101001171. The reversal of 202101001129 is 921100101202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200995305625 + 1105695504 = 448325^2 + 33252^2 .

It is a cyclic number.

It is not a de Polignac number, because 202101001129 - 2²⁹ = 201564130217 is a prime.

It is a super-3 number, since 3×202101001129³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (202101001199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050500564 + 101050500565.

It is an arithmetic number, because the mean of its divisors is an integer number (101050500565).

Almost surely, 2^202101001129 is an apocalyptic number.

It is an amenable number.

202101001129 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101001129 is an equidigital number, since it uses as much as digits as its factorization.

202101001129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 202101001129 in words is "two hundred two billion, one hundred one million, one thousand, one hundred twenty-nine".