1012221031033 has 16 divisors (see below), whose sum is σ = 1081566263680. Its totient is φ = 944518713984.

The previous prime is 1012221031001. The next prime is 1012221031039. The reversal of 1012221031033 is 3301301222101.

It is a cyclic number.

It is not a de Polignac number, because 1012221031033 - 2⁵ = 1012221031001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012221031033.

It is not an unprimeable number, because it can be changed into a prime (1012221031039) 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, 518860 + ... + 1514482.

It is an arithmetic number, because the mean of its divisors is an integer number (67597891480).

Almost surely, 2^{1012221031033} is an apocalyptic number.

It is an amenable number.

1012221031033 is a deficient number, since it is larger than the sum of its proper divisors (69345232647).

1012221031033 is an equidigital number, since it uses as much as digits as its factorization.

1012221031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996448.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1012221031033 its reverse (3301301222101), we get a palindrome (4313522253134).

The spelling of 1012221031033 in words is "one trillion, twelve billion, two hundred twenty-one million, thirty-one thousand, thirty-three".