212221110100202 has 16 divisors (see below), whose sum is σ = 363808275113472. Its totient is φ = 90951739878960.

The previous prime is 212221110100187. The next prime is 212221110100267. The reversal of 212221110100202 is 202001011122212.

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, 5515949 + ... + 21327632.

It is an arithmetic number, because the mean of its divisors is an integer number (22738017194592).

Almost surely, 2^{212221110100202} is an apocalyptic number.

212221110100202 is a deficient number, since it is larger than the sum of its proper divisors (151587165013270).

212221110100202 is a wasteful number, since it uses less digits than its factorization.

212221110100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27408293.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212221110100202 its reverse (202001011122212), we get a palindrome (414222121222414).

The spelling of 212221110100202 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred ten million, one hundred thousand, two hundred two".