122000000001 has 64 divisors (see below), whose sum is σ = 184651923456. Its totient is φ = 70981459200.

The previous prime is 121999999999. The next prime is 122000000033. The reversal of 122000000001 is 100000000221.

It is a happy number.

It is not a de Polignac number, because 122000000001 - 2¹ = 121999999999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122000000051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74525755 + ... + 74527391.

It is an arithmetic number, because the mean of its divisors is an integer number (2885186304).

Almost surely, 2^122000000001 is an apocalyptic number.

122000000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122000000001 is a deficient number, since it is larger than the sum of its proper divisors (62651923455).

122000000001 is a wasteful number, since it uses less digits than its factorization.

122000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 122000000001 its reverse (100000000221), we get a palindrome (222000000222).

The spelling of 122000000001 in words is "one hundred twenty-two billion, one", and thus it is an aban number.