101220202 has 8 divisors (see below), whose sum is σ = 153174276. Its totient is φ = 50162112.

The previous prime is 101220169. The next prime is 101220233. The reversal of 101220202 is 202022101.

It can be written as a sum of positive squares in 2 ways, for example, as 84254041 + 16966161 = 9179^2 + 4119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223713 + ... + 224164.

Almost surely, 2^101220202 is an apocalyptic number.

101220202 is a deficient number, since it is larger than the sum of its proper divisors (51954074).

101220202 is a wasteful number, since it uses less digits than its factorization.

101220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447992.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 101220202 is about 10060.8251152676. The cubic root of 101220202 is about 466.0391482888.

Adding to 101220202 its reverse (202022101), we get a palindrome (303242303).

The spelling of 101220202 in words is "one hundred one million, two hundred twenty thousand, two hundred two".