2220121111112 has 32 divisors (see below), whose sum is σ = 4174630617600. Its totient is φ = 1106886739200.

The previous prime is 2220121111097. The next prime is 2220121111151. The reversal of 2220121111112 is 2111111210222.

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, 63485312 + ... + 63520272.

It is an arithmetic number, because the mean of its divisors is an integer number (130457206800).

Almost surely, 2^{2220121111112} is an apocalyptic number.

It is an amenable number.

2220121111112 is a deficient number, since it is larger than the sum of its proper divisors (1954509506488).

2220121111112 is a wasteful number, since it uses less digits than its factorization.

2220121111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57437 (or 57433 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2220121111112 its reverse (2111111210222), we get a palindrome (4331232321334).

The spelling of 2220121111112 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, one hundred twelve".