2121011121110 has 32 divisors (see below), whose sum is σ = 4406423118912. Its totient is φ = 720003772800.

The previous prime is 2121011121049. The next prime is 2121011121133. The reversal of 2121011121110 is 111211101212.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 149993717 + ... + 150007856.

It is an arithmetic number, because the mean of its divisors is an integer number (137700722466).

Almost surely, 2^{2121011121110} is an apocalyptic number.

2121011121110 is an abundant number, since it is smaller than the sum of its proper divisors (2285411997802).

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

2121011121110 is a wasteful number, since it uses less digits than its factorization.

2121011121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300001688.

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

Adding to 2121011121110 its reverse (111211101212), we get a palindrome (2232222222322).

The spelling of 2121011121110 in words is "two trillion, one hundred twenty-one billion, eleven million, one hundred twenty-one thousand, one hundred ten".