121122313 has 8 divisors (see below), whose sum is σ = 131468288. Its totient is φ = 110923344.

The previous prime is 121122307. The next prime is 121122329. The reversal of 121122313 is 313221121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121122313 is a prime.

It is a super-2 number, since 2×121122313² = 29341229412939938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35031 + ... + 38332.

It is an arithmetic number, because the mean of its divisors is an integer number (16433536).

Almost surely, 2^121122313 is an apocalyptic number.

121122313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121122313 is a deficient number, since it is larger than the sum of its proper divisors (10345975).

121122313 is a wasteful number, since it uses less digits than its factorization.

121122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73503.

The product of its digits is 72, while the sum is 16.

The square root of 121122313 is about 11005.5582775250. The cubic root of 121122313 is about 494.7753468215.

Adding to 121122313 its reverse (313221121), we get a palindrome (434343434).

The spelling of 121122313 in words is "one hundred twenty-one million, one hundred twenty-two thousand, three hundred thirteen".