222122121002 has 4 divisors (see below), whose sum is σ = 333183181506. Its totient is φ = 111061060500.

The previous prime is 222122120959. The next prime is 222122121077. The reversal of 222122121002 is 200121221222.

It is a happy number.

222122121002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 222085045081 + 37075921 = 471259^2 + 6089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530530249 + ... + 55530530252.

Almost surely, 2^222122121002 is an apocalyptic number.

222122121002 is a deficient number, since it is larger than the sum of its proper divisors (111061060504).

222122121002 is a wasteful number, since it uses less digits than its factorization.

222122121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111061060503.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222122121002 its reverse (200121221222), we get a palindrome (422243342224).

The spelling of 222122121002 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, two".