2115100542102 has 16 divisors (see below), whose sum is σ = 4269735675072. Its totient is φ = 698444415560.

The previous prime is 2115100542083. The next prime is 2115100542179. The reversal of 2115100542102 is 2012450015112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647273924 + ... + 1647275207.

It is an arithmetic number, because the mean of its divisors is an integer number (266858479692).

Almost surely, 2^{2115100542102} is an apocalyptic number.

2115100542102 is an abundant number, since it is smaller than the sum of its proper divisors (2154635132970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115100542102 is a wasteful number, since it uses less digits than its factorization.

2115100542102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294549243.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 2115100542102 its reverse (2012450015112), we get a palindrome (4127550557214).

The spelling of 2115100542102 in words is "two trillion, one hundred fifteen billion, one hundred million, five hundred forty-two thousand, one hundred two".