20110222121999 has 2 divisors, whose sum is σ = 20110222122000. Its totient is φ = 20110222121998.

The previous prime is 20110222121981. The next prime is 20110222122031. The reversal of 20110222121999 is 99912122201102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110222121999 is a prime.

It is a super-2 number, since 2×20110222121999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110222121929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055111060999 + 10055111061000.

It is an arithmetic number, because the mean of its divisors is an integer number (10055111061000).

Almost surely, 2^{20110222121999} is an apocalyptic number.

20110222121999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110222121999 is an equidigital number, since it uses as much as digits as its factorization.

20110222121999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 20110222121999 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, nine hundred ninety-nine".