2101120501110 has 32 divisors (see below), whose sum is σ = 5043230760960. Its totient is φ = 560238627168.

The previous prime is 2101120501099. The next prime is 2101120501169. The reversal of 2101120501110 is 111050211012.

It is a super-2 number, since 2×2101120501110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2101120501110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3476470 + ... + 4035849.

It is an arithmetic number, because the mean of its divisors is an integer number (157600961280).

Almost surely, 2^{2101120501110} is an apocalyptic number.

2101120501110 is an abundant number, since it is smaller than the sum of its proper divisors (2942110259850).

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

2101120501110 is a wasteful number, since it uses less digits than its factorization.

2101120501110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521652.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 2101120501110 its reverse (111050211012), we get a palindrome (2212170712122).

The spelling of 2101120501110 in words is "two trillion, one hundred one billion, one hundred twenty million, five hundred one thousand, one hundred ten".