1021122200223 has 16 divisors (see below), whose sum is σ = 1578546397440. Its totient is φ = 651150388152.

The previous prime is 1021122200183. The next prime is 1021122200239. The reversal of 1021122200223 is 3220022211201.

1021122200223 is a `hidden beast` number, since 10 + 211 + 2 + 220 + 0 + 223 = 666.

It is not a de Polignac number, because 1021122200223 - 2⁶ = 1021122200159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021122200196 and 1021122200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021122200323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822158961 + ... + 822160202.

It is an arithmetic number, because the mean of its divisors is an integer number (98659149840).

Almost surely, 2^{1021122200223} is an apocalyptic number.

1021122200223 is a deficient number, since it is larger than the sum of its proper divisors (557424197217).

1021122200223 is a wasteful number, since it uses less digits than its factorization.

1021122200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644319195 (or 1644319189 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1021122200223 its reverse (3220022211201), we get a palindrome (4241144411424).

The spelling of 1021122200223 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two hundred thousand, two hundred twenty-three".