2101121211110 has 16 divisors (see below), whose sum is σ = 3782035670400. Its totient is φ = 840444597696.

The previous prime is 2101121211109. The next prime is 2101121211113. The reversal of 2101121211110 is 111121211012.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101121211113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2924651 + ... + 3571529.

It is an arithmetic number, because the mean of its divisors is an integer number (236377229400).

Almost surely, 2^{2101121211110} is an apocalyptic number.

2101121211110 is a deficient number, since it is larger than the sum of its proper divisors (1680914459290).

2101121211110 is a wasteful number, since it uses less digits than its factorization.

2101121211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971695.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2101121211110 its reverse (111121211012), we get a palindrome (2212242422122).

The spelling of 2101121211110 in words is "two trillion, one hundred one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred ten".