222121010010202 has 16 divisors (see below), whose sum is σ = 352780731113832. Its totient is φ = 104527444211200.

The previous prime is 222121010010181. The next prime is 222121010010227. The reversal of 222121010010202 is 202010010121222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 140945072576841 + 81175937433361 = 11872029^2 + 9009769^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53868702 + ... + 57845302.

Almost surely, 2^{222121010010202} is an apocalyptic number.

222121010010202 is a deficient number, since it is larger than the sum of its proper divisors (130659721103630).

222121010010202 is a wasteful number, since it uses less digits than its factorization.

222121010010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619473.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222121010010202 its reverse (202010010121222), we get a palindrome (424131020131424).

The spelling of 222121010010202 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, ten million, ten thousand, two hundred two".