220101100202 has 4 divisors (see below), whose sum is σ = 330151650306. Its totient is φ = 110050550100.

The previous prime is 220101100199. The next prime is 220101100207. The reversal of 220101100202 is 202001101022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135961075441 + 84140024761 = 368729^2 + 290069^2 .

It is not an unprimeable number, because it can be changed into a prime (220101100207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55025275049 + ... + 55025275052.

Almost surely, 2^220101100202 is an apocalyptic number.

220101100202 is a deficient number, since it is larger than the sum of its proper divisors (110050550104).

220101100202 is a wasteful number, since it uses less digits than its factorization.

220101100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110050550103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220101100202 its reverse (202001101022), we get a palindrome (422102201224).

The spelling of 220101100202 in words is "two hundred twenty billion, one hundred one million, one hundred thousand, two hundred two".