222020121010 has 16 divisors (see below), whose sum is σ = 399736474200. Its totient is φ = 88785769216.

The previous prime is 222020120999. The next prime is 222020121017. The reversal of 222020121010 is 10121020222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 137205790569 + 84814330441 = 370413^2 + 291229^2 .

It is not an unprimeable number, because it can be changed into a prime (222020121017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2743015 + ... + 2822794.

Almost surely, 2^222020121010 is an apocalyptic number.

222020121010 is a deficient number, since it is larger than the sum of its proper divisors (177716353190).

222020121010 is a wasteful number, since it uses less digits than its factorization.

222020121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569805.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222020121010 its reverse (10121020222), we get a palindrome (232141141232).

The spelling of 222020121010 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-one thousand, ten".