220002120111091 has 2 divisors, whose sum is σ = 220002120111092. Its totient is φ = 220002120111090.

The previous prime is 220002120111077. The next prime is 220002120111107. The reversal of 220002120111091 is 190111021200022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220002120111091 - 2⁹ = 220002120110579 is a prime.

It is a super-2 number, since 2×220002120111091² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220002150111091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001060055545 + 110001060055546.

It is an arithmetic number, because the mean of its divisors is an integer number (110001060055546).

Almost surely, 2^{220002120111091} is an apocalyptic number.

220002120111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002120111091 is an equidigital number, since it uses as much as digits as its factorization.

220002120111091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 220002120111091 in words is "two hundred twenty trillion, two billion, one hundred twenty million, one hundred eleven thousand, ninety-one".