20222100200121 has 32 divisors (see below), whose sum is σ = 27465119109120. Its totient is φ = 13231002806784.

The previous prime is 20222100200063. The next prime is 20222100200213. The reversal of 20222100200121 is 12100200122202.

It is not a de Polignac number, because 20222100200121 - 2¹³ = 20222100191929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222100200121.

It is not an unprimeable number, because it can be changed into a prime (20222100200821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027170540 + ... + 1027190226.

It is an arithmetic number, because the mean of its divisors is an integer number (858284972160).

Almost surely, 2^{20222100200121} is an apocalyptic number.

It is an amenable number.

20222100200121 is a deficient number, since it is larger than the sum of its proper divisors (7243018908999).

20222100200121 is a wasteful number, since it uses less digits than its factorization.

20222100200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29045.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222100200121 its reverse (12100200122202), we get a palindrome (32322300322323).

The spelling of 20222100200121 in words is "twenty trillion, two hundred twenty-two billion, one hundred million, two hundred thousand, one hundred twenty-one".