121020230231310 has 64 divisors (see below), whose sum is σ = 307783994011200. Its totient is φ = 30348990523392.

The previous prime is 121020230231287. The next prime is 121020230231321. The reversal of 121020230231310 is 13132032020121.

It is a super-2 number, since 2×121020230231310² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95912905 + ... + 97166484.

It is an arithmetic number, because the mean of its divisors is an integer number (4809124906425).

Almost surely, 2^{121020230231310} is an apocalyptic number.

121020230231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020230231310 is an abundant number, since it is smaller than the sum of its proper divisors (186763763779890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121020230231310 is a wasteful number, since it uses less digits than its factorization.

121020230231310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193080645.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121020230231310 its reverse (13132032020121), we get a palindrome (134152262251431).

The spelling of 121020230231310 in words is "one hundred twenty-one trillion, twenty billion, two hundred thirty million, two hundred thirty-one thousand, three hundred ten".