22201121012012 has 6 divisors (see below), whose sum is σ = 38851961771028. Its totient is φ = 11100560506004.

The previous prime is 22201121011981. The next prime is 22201121012041. The reversal of 22201121012012 is 21021012110222.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775140126498 + ... + 2775140126505.

It is an arithmetic number, because the mean of its divisors is an integer number (6475326961838).

Almost surely, 2^{22201121012012} is an apocalyptic number.

It is an amenable number.

22201121012012 is a deficient number, since it is larger than the sum of its proper divisors (16650840759016).

22201121012012 is a wasteful number, since it uses less digits than its factorization.

22201121012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550280253007 (or 5550280253005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22201121012012 its reverse (21021012110222), we get a palindrome (43222133122234).

The spelling of 22201121012012 in words is "twenty-two trillion, two hundred one billion, one hundred twenty-one million, twelve thousand, twelve".