1112021223131 has 8 divisors (see below), whose sum is σ = 1368641505504. Its totient is φ = 879840967680.

The previous prime is 1112021223101. The next prime is 1112021223133. The reversal of 1112021223131 is 1313221202111.

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 1112021223131 - 2²² = 1112017028827 is a prime.

It is a super-2 number, since 2×1112021223131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112021223133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6110006630 + ... + 6110006811.

It is an arithmetic number, because the mean of its divisors is an integer number (171080188188).

Almost surely, 2^{1112021223131} is an apocalyptic number.

1112021223131 is a deficient number, since it is larger than the sum of its proper divisors (256620282373).

1112021223131 is a wasteful number, since it uses less digits than its factorization.

1112021223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220013461.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1112021223131 its reverse (1313221202111), we get a palindrome (2425242425242).

The spelling of 1112021223131 in words is "one trillion, one hundred twelve billion, twenty-one million, two hundred twenty-three thousand, one hundred thirty-one".