22020200320121 has 4 divisors (see below), whose sum is σ = 22178619027600. Its totient is φ = 21861781612644.

The previous prime is 22020200320117. The next prime is 22020200320171. The reversal of 22020200320121 is 12102300202022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22020200320121 - 2² = 22020200320117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020200320121.

It is not an unprimeable number, because it can be changed into a prime (22020200320171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79209353531 + ... + 79209353808.

It is an arithmetic number, because the mean of its divisors is an integer number (5544654756900).

Almost surely, 2^{22020200320121} is an apocalyptic number.

It is an amenable number.

22020200320121 is a deficient number, since it is larger than the sum of its proper divisors (158418707479).

22020200320121 is a wasteful number, since it uses less digits than its factorization.

22020200320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158418707478.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22020200320121 its reverse (12102300202022), we get a palindrome (34122500522143).

The spelling of 22020200320121 in words is "twenty-two trillion, twenty billion, two hundred million, three hundred twenty thousand, one hundred twenty-one".