202221001210000 has 100 divisors (see below), whose sum is σ = 515365543673200. Its totient is φ = 76631116176000.

The previous prime is 202221001209989. The next prime is 202221001210003. The reversal of 202221001210000 is 12100122202.

It is a happy number.

202221001210000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (202221001210003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 531970530 + ... + 532350529.

It is an arithmetic number, because the mean of its divisors is an integer number (5153655436732).

Almost surely, 2^{202221001210000} is an apocalyptic number.

202221001210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221001210000 is an abundant number, since it is smaller than the sum of its proper divisors (313144542463200).

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

202221001210000 is a wasteful number, since it uses less digits than its factorization.

202221001210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064321106 (or 1064321085 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202221001210000 its reverse (12100122202), we get a palindrome (202233101332202).

The spelling of 202221001210000 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred ten thousand".