121311303310 has 16 divisors (see below), whose sum is σ = 225890013600. Its totient is φ = 46851261856.

The previous prime is 121311303283. The next prime is 121311303331. The reversal of 121311303310 is 13303113121.

It is a super-2 number, since 2×121311303310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209157130 + ... + 209157709.

It is an arithmetic number, because the mean of its divisors is an integer number (14118125850).

Almost surely, 2^121311303310 is an apocalyptic number.

121311303310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311303310 is a deficient number, since it is larger than the sum of its proper divisors (104578710290).

121311303310 is a wasteful number, since it uses less digits than its factorization.

121311303310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418314875.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121311303310 its reverse (13303113121), we get a palindrome (134614416431).

The spelling of 121311303310 in words is "one hundred twenty-one billion, three hundred eleven million, three hundred three thousand, three hundred ten".