122001210020001 has 16 divisors (see below), whose sum is σ = 180832231892480. Its totient is φ = 72655807455360.

The previous prime is 122001210019961. The next prime is 122001210020003. The reversal of 122001210020001 is 100020012100221.

It is not a de Polignac number, because 122001210020001 - 2⁹ = 122001210019489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122001210020003) 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, 50455420636 + ... + 50455423053.

It is an arithmetic number, because the mean of its divisors is an integer number (11302014493280).

Almost surely, 2^{122001210020001} is an apocalyptic number.

It is an amenable number.

122001210020001 is a deficient number, since it is larger than the sum of its proper divisors (58831021872479).

122001210020001 is a wasteful number, since it uses less digits than its factorization.

122001210020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100910843736.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122001210020001 its reverse (100020012100221), we get a palindrome (222021222120222).

The spelling of 122001210020001 in words is "one hundred twenty-two trillion, one billion, two hundred ten million, twenty thousand, one".