1012222111031 has 4 divisors (see below), whose sum is σ = 1065496959000. Its totient is φ = 958947263064.

The previous prime is 1012222111001. The next prime is 1012222111037. The reversal of 1012222111031 is 1301112222101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012222111031 - 2¹⁰ = 1012222110007 is a prime.

It is a super-2 number, since 2×1012222111031² (a number of 25 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 (1012222111037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26637423956 + ... + 26637423993.

It is an arithmetic number, because the mean of its divisors is an integer number (266374239750).

Almost surely, 2^{1012222111031} is an apocalyptic number.

1012222111031 is a deficient number, since it is larger than the sum of its proper divisors (53274847969).

1012222111031 is an equidigital number, since it uses as much as digits as its factorization.

1012222111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53274847968.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1012222111031 its reverse (1301112222101), we get a palindrome (2313334333132).

The spelling of 1012222111031 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred eleven thousand, thirty-one".