122112101021 has 8 divisors (see below), whose sum is σ = 122192619264. Its totient is φ = 122031614880.

The previous prime is 122112100973. The next prime is 122112101047. The reversal of 122112101021 is 120101211221.

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-122112101021 is a prime.

It is a super-2 number, since 2×122112101021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122112100987 and 122112101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112101081) 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, 16460105 + ... + 16467521.

It is an arithmetic number, because the mean of its divisors is an integer number (15274077408).

Almost surely, 2^122112101021 is an apocalyptic number.

It is an amenable number.

122112101021 is a deficient number, since it is larger than the sum of its proper divisors (80518243).

122112101021 is an equidigital number, since it uses as much as digits as its factorization.

122112101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16051.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122112101021 its reverse (120101211221), we get a palindrome (242213312242).

The spelling of 122112101021 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred one thousand, twenty-one".