20002022121201 has 32 divisors (see below), whose sum is σ = 28139319859200. Its totient is φ = 12603023072640.

The previous prime is 20002022121119. The next prime is 20002022121223. The reversal of 20002022121201 is 10212122020002.

It is a de Polignac number, because none of the positive numbers 2^k-20002022121201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002022121001) 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, 388506381 + ... + 388557861.

It is an arithmetic number, because the mean of its divisors is an integer number (879353745600).

Almost surely, 2^{20002022121201} is an apocalyptic number.

It is an amenable number.

20002022121201 is a deficient number, since it is larger than the sum of its proper divisors (8137297737999).

20002022121201 is a wasteful number, since it uses less digits than its factorization.

20002022121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67469.

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

Adding to 20002022121201 its reverse (10212122020002), we get a palindrome (30214144141203).

It can be divided in two parts, 200020 and 22121201, that added together give a triangular number (22321221 = T₆₆₈₁).

The spelling of 20002022121201 in words is "twenty trillion, two billion, twenty-two million, one hundred twenty-one thousand, two hundred one".