121133122031 has 16 divisors (see below), whose sum is σ = 127475788608. Its totient is φ = 114953529600.

The previous prime is 121133122021. The next prime is 121133122067. The reversal of 121133122031 is 130221331121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121133122031 - 2²² = 121128927727 is a prime.

It is a super-2 number, since 2×121133122031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121133121994 and 121133122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121133122021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7171526 + ... + 7188396.

It is an arithmetic number, because the mean of its divisors is an integer number (7967236788).

Almost surely, 2^121133122031 is an apocalyptic number.

121133122031 is a deficient number, since it is larger than the sum of its proper divisors (6342666577).

121133122031 is a wasteful number, since it uses less digits than its factorization.

121133122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21682.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121133122031 its reverse (130221331121), we get a palindrome (251354453152).

The spelling of 121133122031 in words is "one hundred twenty-one billion, one hundred thirty-three million, one hundred twenty-two thousand, thirty-one".