202220002120091 has 2 divisors, whose sum is σ = 202220002120092. Its totient is φ = 202220002120090.

The previous prime is 202220002119979. The next prime is 202220002120139. The reversal of 202220002120091 is 190021200022202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202220002120091 - 2¹⁰ = 202220002119067 is a prime.

It is not a weakly prime, because it can be changed into another prime (202220002128091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110001060045 + 101110001060046.

It is an arithmetic number, because the mean of its divisors is an integer number (101110001060046).

Almost surely, 2^{202220002120091} is an apocalyptic number.

202220002120091 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220002120091 is an equidigital number, since it uses as much as digits as its factorization.

202220002120091 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 23.

Adding to 202220002120091 its reverse (190021200022202), we get a palindrome (392241202142293).

The spelling of 202220002120091 in words is "two hundred two trillion, two hundred twenty billion, two million, one hundred twenty thousand, ninety-one".