12021113301031 has 16 divisors (see below), whose sum is σ = 12381110058240. Its totient is φ = 11664441593280.

The previous prime is 12021113301023. The next prime is 12021113301053. The reversal of 12021113301031 is 13010331112021.

It is a cyclic number.

It is not a de Polignac number, because 12021113301031 - 2³ = 12021113301023 is a prime.

It is a super-2 number, since 2×12021113301031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021113308031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5774176 + ... + 7575178.

It is an arithmetic number, because the mean of its divisors is an integer number (773819378640).

Almost surely, 2^{12021113301031} is an apocalyptic number.

12021113301031 is a deficient number, since it is larger than the sum of its proper divisors (359996757209).

12021113301031 is a wasteful number, since it uses less digits than its factorization.

12021113301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801926.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12021113301031 its reverse (13010331112021), we get a palindrome (25031444413052).

The spelling of 12021113301031 in words is "twelve trillion, twenty-one billion, one hundred thirteen million, three hundred one thousand, thirty-one".