22201001210120 has 32 divisors (see below), whose sum is σ = 49995576549720. Its totient is φ = 8872698470400.

The previous prime is 22201001210099. The next prime is 22201001210137. The reversal of 22201001210120 is 2101210010222.

It can be written as a sum of positive squares in 4 ways, for example, as 13863841602724 + 8337159607396 = 3723418^2 + 2887414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22201001210095 and 22201001210104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240641231 + ... + 240733470.

Almost surely, 2^{22201001210120} is an apocalyptic number.

22201001210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201001210120 is an abundant number, since it is smaller than the sum of its proper divisors (27794575339600).

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

22201001210120 is a wasteful number, since it uses less digits than its factorization.

22201001210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481375865 (or 481375861 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22201001210120 its reverse (2101210010222), we get a palindrome (24302211220342).

The spelling of 22201001210120 in words is "twenty-two trillion, two hundred one billion, one million, two hundred ten thousand, one hundred twenty".