222022121002 has 24 divisors (see below), whose sum is σ = 366488750628. Its totient is φ = 100801293120.

The previous prime is 222022120967. The next prime is 222022121011. The reversal of 222022121002 is 200121220222.

222022121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191274147801 + 30747973201 = 437349^2 + 175351^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 327873 + ... + 742660.

Almost surely, 2^222022121002 is an apocalyptic number.

222022121002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222022121002 is a deficient number, since it is larger than the sum of its proper divisors (144466629626).

222022121002 is a wasteful number, since it uses less digits than its factorization.

222022121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071414 (or 1071403 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222022121002 its reverse (200121220222), we get a palindrome (422143341224).

It can be divided in two parts, 22 and 2022121002, that added together give a square (2022121024 = 44968²).

The spelling of 222022121002 in words is "two hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, two".