121123321310 has 8 divisors (see below), whose sum is σ = 218021978376. Its totient is φ = 48449328520.

The previous prime is 121123321307. The next prime is 121123321327. The reversal of 121123321310 is 13123321121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121123321310² (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 3 ways as a sum of consecutive naturals, for example, 6056166056 + ... + 6056166075.

It is an arithmetic number, because the mean of its divisors is an integer number (27252747297).

Almost surely, 2^121123321310 is an apocalyptic number.

121123321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123321310 is a deficient number, since it is larger than the sum of its proper divisors (96898657066).

121123321310 is a wasteful number, since it uses less digits than its factorization.

121123321310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112332138.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121123321310 its reverse (13123321121), we get a palindrome (134246642431).

The spelling of 121123321310 in words is "one hundred twenty-one billion, one hundred twenty-three million, three hundred twenty-one thousand, three hundred ten".