22200110221012 has 6 divisors (see below), whose sum is σ = 38850192886778. Its totient is φ = 11100055110504.

The previous prime is 22200110221001. The next prime is 22200110221031. The reversal of 22200110221012 is 21012201100222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17258407896976 + 4941702324036 = 4154324^2 + 2222994^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775013777623 + ... + 2775013777630.

Almost surely, 2^{22200110221012} is an apocalyptic number.

It is an amenable number.

22200110221012 is a deficient number, since it is larger than the sum of its proper divisors (16650082665766).

22200110221012 is a wasteful number, since it uses less digits than its factorization.

22200110221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550027555257 (or 5550027555255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22200110221012 its reverse (21012201100222), we get a palindrome (43212311321234).

The spelling of 22200110221012 in words is "twenty-two trillion, two hundred billion, one hundred ten million, two hundred twenty-one thousand, twelve".