202001221211129 has 2 divisors, whose sum is σ = 202001221211130. Its totient is φ = 202001221211128.

The previous prime is 202001221210973. The next prime is 202001221211149. The reversal of 202001221211129 is 921112122100202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130102014375529 + 71899206835600 = 11406227^2 + 8479340^2 .

It is a cyclic number.

It is not a de Polignac number, because 202001221211129 - 2¹² = 202001221207033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202001221211098 and 202001221211107.

It is not a weakly prime, because it can be changed into another prime (202001221211149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000610605564 + 101000610605565.

It is an arithmetic number, because the mean of its divisors is an integer number (101000610605565).

Almost surely, 2^{202001221211129} is an apocalyptic number.

It is an amenable number.

202001221211129 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001221211129 is an equidigital number, since it uses as much as digits as its factorization.

202001221211129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 202001221211129 in words is "two hundred two trillion, one billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-nine".