220201213302691 has 2 divisors, whose sum is σ = 220201213302692. Its totient is φ = 220201213302690.

The previous prime is 220201213302667. The next prime is 220201213302737. The reversal of 220201213302691 is 196203312102022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220201213302691 - 2³¹ = 220199065819043 is a prime.

It is not a weakly prime, because it can be changed into another prime (220201213302611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100606651345 + 110100606651346.

It is an arithmetic number, because the mean of its divisors is an integer number (110100606651346).

Almost surely, 2^{220201213302691} is an apocalyptic number.

220201213302691 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201213302691 is an equidigital number, since it uses as much as digits as its factorization.

220201213302691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 220201213302691 in words is "two hundred twenty trillion, two hundred one billion, two hundred thirteen million, three hundred two thousand, six hundred ninety-one".