22011221110112 has 48 divisors (see below), whose sum is σ = 46669253560272. Its totient is φ = 10158756963840.

The previous prime is 22011221110037. The next prime is 22011221110139. The reversal of 22011221110112 is 21101112211022.

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, 15533078 + ... + 16890794.

It is an arithmetic number, because the mean of its divisors is an integer number (972276115839).

Almost surely, 2^{22011221110112} is an apocalyptic number.

It is an amenable number.

22011221110112 is an abundant number, since it is smaller than the sum of its proper divisors (24658032450160).

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

22011221110112 is a wasteful number, since it uses less digits than its factorization.

22011221110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396711 (or 1396703 counting only the distinct ones).

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

Adding to 22011221110112 its reverse (21101112211022), we get a palindrome (43112333321134).

The spelling of 22011221110112 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred twelve".