122101331 has 4 divisors (see below), whose sum is σ = 133201464. Its totient is φ = 111001200.

The previous prime is 122101307. The next prime is 122101349. The reversal of 122101331 is 133101221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133101221 = 11 ⋅12100111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122101331 is a prime.

It is a super-2 number, since 2×122101331² = 29817470063943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122104331) 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, 5550050 + ... + 5550071.

It is an arithmetic number, because the mean of its divisors is an integer number (33300366).

Almost surely, 2^122101331 is an apocalyptic number.

122101331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122101331 is a deficient number, since it is larger than the sum of its proper divisors (11100133).

122101331 is a wasteful number, since it uses less digits than its factorization.

122101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100132.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 122101331 is about 11049.9471039458. The cubic root of 122101331 is about 496.1048422906.

Adding to 122101331 its reverse (133101221), we get a palindrome (255202552).

The spelling of 122101331 in words is "one hundred twenty-two million, one hundred one thousand, three hundred thirty-one".