20000102122001 has 16 divisors (see below), whose sum is σ = 20250355807296. Its totient is φ = 19751147383296.

The previous prime is 20000102121943. The next prime is 20000102122019. The reversal of 20000102122001 is 10022120100002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20000102122001 - 2²⁶ = 20000035013137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000102124001) 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, 420915821 + ... + 420963333.

It is an arithmetic number, because the mean of its divisors is an integer number (1265647237956).

Almost surely, 2^{20000102122001} is an apocalyptic number.

It is an amenable number.

20000102122001 is a deficient number, since it is larger than the sum of its proper divisors (250253685295).

20000102122001 is a wasteful number, since it uses less digits than its factorization.

20000102122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61072.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000102122001 its reverse (10022120100002), we get a palindrome (30022222222003).

The spelling of 20000102122001 in words is "twenty trillion, one hundred two million, one hundred twenty-two thousand, one".