122122000001 has 4 divisors (see below), whose sum is σ = 122669632512. Its totient is φ = 121574367492.

The previous prime is 122121999983. The next prime is 122122000043. The reversal of 122122000001 is 100000221221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122122000001 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 (122122000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273815921 + ... + 273816366.

It is an arithmetic number, because the mean of its divisors is an integer number (30667408128).

Almost surely, 2^122122000001 is an apocalyptic number.

It is an amenable number.

122122000001 is a deficient number, since it is larger than the sum of its proper divisors (547632511).

122122000001 is an equidigital number, since it uses as much as digits as its factorization.

122122000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547632510.

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

Adding to 122122000001 its reverse (100000221221), we get a palindrome (222122221222).

The spelling of 122122000001 in words is "one hundred twenty-two billion, one hundred twenty-two million, one", and thus it is an aban number.