121030232130031 has 16 divisors (see below), whose sum is σ = 140271803301888. Its totient is φ = 102276615571200.

The previous prime is 121030232129999. The next prime is 121030232130053. The reversal of 121030232130031 is 130031232030121.

It is not a de Polignac number, because 121030232130031 - 2⁵ = 121030232129999 is a prime.

It is a super-2 number, since 2×121030232130031² (a number of 29 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 = 121030232129984 and 121030232130011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030232130091) 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, 17965311 + ... + 23765791.

It is an arithmetic number, because the mean of its divisors is an integer number (8766987706368).

Almost surely, 2^{121030232130031} is an apocalyptic number.

121030232130031 is a deficient number, since it is larger than the sum of its proper divisors (19241571171857).

121030232130031 is an equidigital number, since it uses as much as digits as its factorization.

121030232130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842542.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121030232130031 its reverse (130031232030121), we get a palindrome (251061464160152).

The spelling of 121030232130031 in words is "one hundred twenty-one trillion, thirty billion, two hundred thirty-two million, one hundred thirty thousand, thirty-one".