122112001 has 8 divisors (see below), whose sum is σ = 133293600. Its totient is φ = 110943840.

The previous prime is 122111971. The next prime is 122112017. The reversal of 122112001 is 100211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122112001 is a prime.

It is a super-2 number, since 2×122112001² = 29822681576448002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30790 + ... + 34528.

It is an arithmetic number, because the mean of its divisors is an integer number (16661700).

Almost surely, 2^122112001 is an apocalyptic number.

122112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122112001 is a deficient number, since it is larger than the sum of its proper divisors (11181599).

122112001 is a wasteful number, since it uses less digits than its factorization.

122112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 122112001 is about 11050.4299011396. The cubic root of 122112001 is about 496.1192928142.

Adding to 122112001 its reverse (100211221), we get a palindrome (222323222).

The spelling of 122112001 in words is "one hundred twenty-two million, one hundred twelve thousand, one".