121133210031 has 24 divisors (see below), whose sum is σ = 185277259440. Its totient is φ = 75999119616.

The previous prime is 121133209987. The next prime is 121133210057. The reversal of 121133210031 is 130012331121.

It is not a de Polignac number, because 121133210031 - 2¹⁴ = 121133193647 is a prime.

It is a super-3 number, since 3×121133210031³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 121133209986 and 121133210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121133214031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2646085 + ... + 2691473.

It is an arithmetic number, because the mean of its divisors is an integer number (7719885810).

Almost surely, 2^121133210031 is an apocalyptic number.

121133210031 is a deficient number, since it is larger than the sum of its proper divisors (64144049409).

121133210031 is a wasteful number, since it uses less digits than its factorization.

121133210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62855 (or 62852 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121133210031 its reverse (130012331121), we get a palindrome (251145541152).

The spelling of 121133210031 in words is "one hundred twenty-one billion, one hundred thirty-three million, two hundred ten thousand, thirty-one".