122020102001 has 32 divisors (see below), whose sum is σ = 145011575808. Its totient is φ = 100505687040.

The previous prime is 122020101997. The next prime is 122020102033. The reversal of 122020102001 is 100201020221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122020102001 - 2² = 122020101997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020122001) 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, 11895791 + ... + 11906043.

It is an arithmetic number, because the mean of its divisors is an integer number (4531611744).

Almost surely, 2^122020102001 is an apocalyptic number.

It is an amenable number.

122020102001 is a deficient number, since it is larger than the sum of its proper divisors (22991473807).

122020102001 is a wasteful number, since it uses less digits than its factorization.

122020102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961.

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

Adding to 122020102001 its reverse (100201020221), we get a palindrome (222221122222).

The spelling of 122020102001 in words is "one hundred twenty-two billion, twenty million, one hundred two thousand, one".