121331231133310 has 128 divisors (see below), whose sum is σ = 241267174387200. Its totient is φ = 43566099333120.

The previous prime is 121331231133283. The next prime is 121331231133311. The reversal of 121331231133310 is 13331132133121.

It is a happy number.

It is a super-2 number, since 2×121331231133310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331231133311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2078663806 + ... + 2078722174.

It is an arithmetic number, because the mean of its divisors is an integer number (1884899799900).

Almost surely, 2^{121331231133310} is an apocalyptic number.

121331231133310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121331231133310 is a deficient number, since it is larger than the sum of its proper divisors (119935943253890).

121331231133310 is a wasteful number, since it uses less digits than its factorization.

121331231133310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59306.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 121331231133310 its reverse (13331132133121), we get a palindrome (134662363266431).

The spelling of 121331231133310 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, two hundred thirty-one million, one hundred thirty-three thousand, three hundred ten".