10311111121 has 8 divisors (see below), whose sum is σ = 11084734080. Its totient is φ = 9560581488.

The previous prime is 10311111103. The next prime is 10311111131. The reversal of 10311111121 is 12111111301.

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

It is a cyclic number.

It is not a de Polignac number, because 10311111121 - 2⁹ = 10311110609 is a prime.

It is a super-3 number, since 3×10311111121³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311111101) 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, 5772406 + ... + 5774191.

It is an arithmetic number, because the mean of its divisors is an integer number (1385591760).

Almost surely, 2^10311111121 is an apocalyptic number.

It is an amenable number.

10311111121 is a deficient number, since it is larger than the sum of its proper divisors (773622959).

10311111121 is a wasteful number, since it uses less digits than its factorization.

10311111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546663.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 10311111121 its reverse (12111111301), we get a palindrome (22422222422).

The spelling of 10311111121 in words is "ten billion, three hundred eleven million, one hundred eleven thousand, one hundred twenty-one".