2101021121110 has 16 divisors (see below), whose sum is σ = 3781857502656. Its totient is φ = 840404118528.

The previous prime is 2101021121107. The next prime is 2101021121153. The reversal of 2101021121110 is 111211201012.

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, 2119702 + ... + 2948758.

It is an arithmetic number, because the mean of its divisors is an integer number (236366093916).

Almost surely, 2^{2101021121110} is an apocalyptic number.

2101021121110 is a deficient number, since it is larger than the sum of its proper divisors (1680836381546).

2101021121110 is a wasteful number, since it uses less digits than its factorization.

2101021121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082487.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2101021121110 its reverse (111211201012), we get a palindrome (2212232322122).

The spelling of 2101021121110 in words is "two trillion, one hundred one billion, twenty-one million, one hundred twenty-one thousand, one hundred ten".