22201111121012 has 12 divisors (see below), whose sum is σ = 38854578059556. Its totient is φ = 11099803104000.

The previous prime is 22201111120963. The next prime is 22201111121023. The reversal of 22201111121012 is 21012111110222.

It can be written as a sum of positive squares in 2 ways, for example, as 14748626075236 + 7452485045776 = 3840394^2 + 2729924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188047739 + ... + 188165762.

It is an arithmetic number, because the mean of its divisors is an integer number (3237881504963).

Almost surely, 2^{22201111121012} is an apocalyptic number.

It is an amenable number.

22201111121012 is a deficient number, since it is larger than the sum of its proper divisors (16653466938544).

22201111121012 is a wasteful number, since it uses less digits than its factorization.

22201111121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376228258 (or 376228256 counting only the distinct ones).

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

Adding to 22201111121012 its reverse (21012111110222), we get a palindrome (43213222231234).

The spelling of 22201111121012 in words is "twenty-two trillion, two hundred one billion, one hundred eleven million, one hundred twenty-one thousand, twelve".