202111021021159 has 2 divisors, whose sum is σ = 202111021021160. Its totient is φ = 202111021021158.

The previous prime is 202111021021153. The next prime is 202111021021229. The reversal of 202111021021159 is 951120120111202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202111021021159 - 2⁵ = 202111021021127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202111021021153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055510510579 + 101055510510580.

It is an arithmetic number, because the mean of its divisors is an integer number (101055510510580).

Almost surely, 2^{202111021021159} is an apocalyptic number.

202111021021159 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111021021159 is an equidigital number, since it uses as much as digits as its factorization.

202111021021159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 202111021021159 in words is "two hundred two trillion, one hundred eleven billion, twenty-one million, twenty-one thousand, one hundred fifty-nine".