22201000212112 has 10 divisors (see below), whose sum is σ = 43014437910998. Its totient is φ = 11100500106048.

The previous prime is 22201000212067. The next prime is 22201000212113. The reversal of 22201000212112 is 21121200010222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15515279835136 + 6685720376976 = 3938944^2 + 2585676^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1387562513257 = 22201000212112 / (2 + 2 + 2 + 0 + 1 + 0 + 0 + 0 + 2 + 1 + 2 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (22201000212113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693781256613 + ... + 693781256644.

Almost surely, 2^{22201000212112} is an apocalyptic number.

It is an amenable number.

22201000212112 is a deficient number, since it is larger than the sum of its proper divisors (20813437698886).

22201000212112 is a wasteful number, since it uses less digits than its factorization.

22201000212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387562513265 (or 1387562513259 counting only the distinct ones).

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

Adding to 22201000212112 its reverse (21121200010222), we get a palindrome (43322200222334).

The spelling of 22201000212112 in words is "twenty-two trillion, two hundred one billion, two hundred twelve thousand, one hundred twelve".