121013131310 has 16 divisors (see below), whose sum is σ = 219938430816. Its totient is φ = 47935298208.

The previous prime is 121013131303. The next prime is 121013131361. The reversal of 121013131310 is 13131310121.

It is a super-2 number, since 2×121013131310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58743209 + ... + 58745268.

It is an arithmetic number, because the mean of its divisors is an integer number (13746151926).

Almost surely, 2^121013131310 is an apocalyptic number.

121013131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013131310 is a deficient number, since it is larger than the sum of its proper divisors (98925299506).

121013131310 is a wasteful number, since it uses less digits than its factorization.

121013131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117488587.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 121013131310 its reverse (13131310121), we get a palindrome (134144441431).

The spelling of 121013131310 in words is "one hundred twenty-one billion, thirteen million, one hundred thirty-one thousand, three hundred ten".