1121312311310 has 16 divisors (see below), whose sum is σ = 2018533030416. Its totient is φ = 448486953408.

The previous prime is 1121312311307. The next prime is 1121312311331. The reversal of 1121312311310 is 131132131211.

It is a super-2 number, since 2×1121312311310² (a number of 25 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, 4622207 + ... + 4858746.

It is an arithmetic number, because the mean of its divisors is an integer number (126158314401).

Almost surely, 2^{1121312311310} is an apocalyptic number.

1121312311310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121312311310 is a deficient number, since it is larger than the sum of its proper divisors (897220719106).

1121312311310 is a wasteful number, since it uses less digits than its factorization.

1121312311310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492787.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1121312311310 its reverse (131132131211), we get a palindrome (1252444442521).

The spelling of 1121312311310 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, three hundred eleven thousand, three hundred ten".