20100152111 has 16 divisors (see below), whose sum is σ = 22820355264. Its totient is φ = 17564304384.

The previous prime is 20100152101. The next prime is 20100152153. The reversal of 20100152111 is 11125100102.

It is not a de Polignac number, because 20100152111 - 2¹⁰ = 20100151087 is a prime.

It is a super-2 number, since 2×20100152111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100152101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317516 + ... + 375521.

It is an arithmetic number, because the mean of its divisors is an integer number (1426272204).

Almost surely, 2^20100152111 is an apocalyptic number.

20100152111 is a deficient number, since it is larger than the sum of its proper divisors (2720203153).

20100152111 is a wasteful number, since it uses less digits than its factorization.

20100152111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693170.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 20100152111 its reverse (11125100102), we get a palindrome (31225252213).

The spelling of 20100152111 in words is "twenty billion, one hundred million, one hundred fifty-two thousand, one hundred eleven".