2101122120110 has 32 divisors (see below), whose sum is σ = 4312529387712. Its totient is φ = 730163704320.

The previous prime is 2101122120103. The next prime is 2101122120121. The reversal of 2101122120110 is 110212211012.

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, 475364786 + ... + 475369205.

It is an arithmetic number, because the mean of its divisors is an integer number (134766543366).

Almost surely, 2^{2101122120110} is an apocalyptic number.

2101122120110 is an abundant number, since it is smaller than the sum of its proper divisors (2211407267602).

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

2101122120110 is a wasteful number, since it uses less digits than its factorization.

2101122120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950734028.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101122120110 its reverse (110212211012), we get a palindrome (2211334331122).

The spelling of 2101122120110 in words is "two trillion, one hundred one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred ten".