2111121221110 has 64 divisors (see below), whose sum is σ = 4224417318144. Its totient is φ = 753066371200.

The previous prime is 2111121221101. The next prime is 2111121221141. The reversal of 2111121221110 is 111221211112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37814637 + ... + 37870423.

It is an arithmetic number, because the mean of its divisors is an integer number (66006520596).

Almost surely, 2^{2111121221110} is an apocalyptic number.

2111121221110 is an abundant number, since it is smaller than the sum of its proper divisors (2113296097034).

2111121221110 is a wasteful number, since it uses less digits than its factorization.

2111121221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62349.

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

Adding to 2111121221110 its reverse (111221211112), we get a palindrome (2222342432222).

The spelling of 2111121221110 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred ten".