122120201001 has 32 divisors (see below), whose sum is σ = 171263137536. Its totient is φ = 77323680000.

The previous prime is 122120200949. The next prime is 122120201017. The reversal of 122120201001 is 100102021221.

It is not a de Polignac number, because 122120201001 - 2¹¹ = 122120198953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122120201081) 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, 719271 + ... + 872691.

It is an arithmetic number, because the mean of its divisors is an integer number (5351973048).

Almost surely, 2^122120201001 is an apocalyptic number.

It is an amenable number.

122120201001 is a deficient number, since it is larger than the sum of its proper divisors (49142936535).

122120201001 is a wasteful number, since it uses less digits than its factorization.

122120201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153633.

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

Adding to 122120201001 its reverse (100102021221), we get a palindrome (222222222222).

The spelling of 122120201001 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred one thousand, one".