102111545053 has 16 divisors (see below), whose sum is σ = 116996140800. Its totient is φ = 87301535616.

The previous prime is 102111544991. The next prime is 102111545071. The reversal of 102111545053 is 350545111201.

It is a cyclic number.

It is not a de Polignac number, because 102111545053 - 2²⁵ = 102077990621 is a prime.

It is a super-2 number, since 2×102111545053² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111245053) 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, 4740175 + ... + 4761667.

It is an arithmetic number, because the mean of its divisors is an integer number (7312258800).

Almost surely, 2^102111545053 is an apocalyptic number.

It is an amenable number.

102111545053 is a deficient number, since it is larger than the sum of its proper divisors (14884595747).

102111545053 is a wasteful number, since it uses less digits than its factorization.

102111545053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23196.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 102111545053 its reverse (350545111201), we get a palindrome (452656656254).

The spelling of 102111545053 in words is "one hundred two billion, one hundred eleven million, five hundred forty-five thousand, fifty-three".