1021122200233 has 4 divisors (see below), whose sum is σ = 1021169467588. Its totient is φ = 1021074932880.

The previous prime is 1021122200183. The next prime is 1021122200239. The reversal of 1021122200233 is 3320022211201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1018985264704 + 2136935529 = 1009448^2 + 46227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021122200233 is a prime.

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 1021122200233.

It is not an unprimeable number, because it can be changed into a prime (1021122200239) 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, 23601258 + ... + 23644483.

It is an arithmetic number, because the mean of its divisors is an integer number (255292366897).

Almost surely, 2^{1021122200233} is an apocalyptic number.

It is an amenable number.

1021122200233 is a deficient number, since it is larger than the sum of its proper divisors (47267355).

1021122200233 is an equidigital number, since it uses as much as digits as its factorization.

1021122200233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47267354.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1021122200233 its reverse (3320022211201), we get a palindrome (4341144411434).

The spelling of 1021122200233 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two hundred thousand, two hundred thirty-three".