202201221020194 has 64 divisors (see below), whose sum is σ = 333673244467200. Its totient is φ = 91135709262720.

The previous prime is 202201221020153. The next prime is 202201221020291. The reversal of 202201221020194 is 491020122102202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6597303382 + ... + 6597334030.

It is an arithmetic number, because the mean of its divisors is an integer number (5213644444800).

Almost surely, 2^{202201221020194} is an apocalyptic number.

202201221020194 is a deficient number, since it is larger than the sum of its proper divisors (131472023447006).

202201221020194 is a wasteful number, since it uses less digits than its factorization.

202201221020194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36175.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 202201221020194 its reverse (491020122102202), we get a palindrome (693221343122396).

The spelling of 202201221020194 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, twenty thousand, one hundred ninety-four".