122031101 has 4 divisors (see below), whose sum is σ = 126239100. Its totient is φ = 117823104.

The previous prime is 122031089. The next prime is 122031109. The reversal of 122031101 is 101130221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34234201 + 87796900 = 5851^2 + 9370^2 .

It is a cyclic number.

It is not a de Polignac number, because 122031101 - 2²⁶ = 54922237 is a prime.

It is a super-2 number, since 2×122031101² = 29783179222544402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031109) 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, 2103956 + ... + 2104013.

It is an arithmetic number, because the mean of its divisors is an integer number (31559775).

Almost surely, 2^122031101 is an apocalyptic number.

It is an amenable number.

122031101 is a deficient number, since it is larger than the sum of its proper divisors (4207999).

122031101 is an equidigital number, since it uses as much as digits as its factorization.

122031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207998.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 122031101 is about 11046.7688035914. The cubic root of 122031101 is about 496.0097078507.

Adding to 122031101 its reverse (101130221), we get a palindrome (223161322).

The spelling of 122031101 in words is "one hundred twenty-two million, thirty-one thousand, one hundred one".