121122142031 has 8 divisors (see below), whose sum is σ = 132293806464. Its totient is φ = 109977237720.

The previous prime is 121122142027. The next prime is 121122142033. The reversal of 121122142031 is 130241221121.

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

It is a cyclic number.

It is not a de Polignac number, because 121122142031 - 2² = 121122142027 is a prime.

It is a super-2 number, since 2×121122142031² (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 = 121122141994 and 121122142012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122142033) 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, 6680561 + ... + 6698666.

It is an arithmetic number, because the mean of its divisors is an integer number (16536725808).

Almost surely, 2^121122142031 is an apocalyptic number.

121122142031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121122142031 is a deficient number, since it is larger than the sum of its proper divisors (11171664433).

121122142031 is a wasteful number, since it uses less digits than its factorization.

121122142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380061.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121122142031 its reverse (130241221121), we get a palindrome (251363363152).

The spelling of 121122142031 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred forty-two thousand, thirty-one".