20120110102159 has 2 divisors, whose sum is σ = 20120110102160. Its totient is φ = 20120110102158.

The previous prime is 20120110102151. The next prime is 20120110102229. The reversal of 20120110102159 is 95120101102102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120110102159 - 2³ = 20120110102151 is a prime.

It is a super-2 number, since 2×20120110102159² (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 (20120110102151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060055051079 + 10060055051080.

It is an arithmetic number, because the mean of its divisors is an integer number (10060055051080).

Almost surely, 2^{20120110102159} is an apocalyptic number.

20120110102159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120110102159 is an equidigital number, since it uses as much as digits as its factorization.

20120110102159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 20120110102159 in words is "twenty trillion, one hundred twenty billion, one hundred ten million, one hundred two thousand, one hundred fifty-nine".