202221012222001 has 16 divisors (see below), whose sum is σ = 213359572800000. Its totient is φ = 191132369490816.

The previous prime is 202221012221993. The next prime is 202221012222041. The reversal of 202221012222001 is 100222210122202.

It is a cyclic number.

It is not a de Polignac number, because 202221012222001 - 2³ = 202221012221993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 202221012222001.

It is not an unprimeable number, because it can be changed into a prime (202221012222041) 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, 13699575 + ... + 24333523.

It is an arithmetic number, because the mean of its divisors is an integer number (13334973300000).

Almost surely, 2^{202221012222001} is an apocalyptic number.

It is an amenable number.

202221012222001 is a deficient number, since it is larger than the sum of its proper divisors (11138560577999).

202221012222001 is a wasteful number, since it uses less digits than its factorization.

202221012222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636296.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202221012222001 its reverse (100222210122202), we get a palindrome (302443222344203).

The spelling of 202221012222001 in words is "two hundred two trillion, two hundred twenty-one billion, twelve million, two hundred twenty-two thousand, one".