22001210222112 has 96 divisors (see below), whose sum is σ = 70003850736960. Its totient is φ = 6667033397760.

The previous prime is 22001210221997. The next prime is 22001210222113. The reversal of 22001210222112 is 21122201210022.

It is a happy number.

22001210222112 is a `hidden beast` number, since 220 + 0 + 1 + 210 + 2 + 221 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22001210222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157461573 + ... + 1157480580.

It is an arithmetic number, because the mean of its divisors is an integer number (729206778510).

Almost surely, 2^{22001210222112} is an apocalyptic number.

22001210222112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22001210222112 is an abundant number, since it is smaller than the sum of its proper divisors (48002640514848).

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

22001210222112 is a wasteful number, since it uses less digits than its factorization.

22001210222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314942183 (or 2314942169 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22001210222112 its reverse (21122201210022), we get a palindrome (43123411432134).

The spelling of 22001210222112 in words is "twenty-two trillion, one billion, two hundred ten million, two hundred twenty-two thousand, one hundred twelve".