202221020121010 has 32 divisors (see below), whose sum is σ = 397541329348032. Its totient is φ = 73451068121280.

The previous prime is 202221020120941. The next prime is 202221020121047. The reversal of 202221020121010 is 10121020122202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048006672 + ... + 1048199611.

It is an arithmetic number, because the mean of its divisors is an integer number (12423166542126).

Almost surely, 2^{202221020121010} is an apocalyptic number.

202221020121010 is a deficient number, since it is larger than the sum of its proper divisors (195320309227022).

202221020121010 is a wasteful number, since it uses less digits than its factorization.

202221020121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096207178.

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

Adding to 202221020121010 its reverse (10121020122202), we get a palindrome (212342040243212).

The spelling of 202221020121010 in words is "two hundred two trillion, two hundred twenty-one billion, twenty million, one hundred twenty-one thousand, ten".