101220100202 has 8 divisors (see below), whose sum is σ = 163509392676. Its totient is φ = 46716969312.

The previous prime is 101220100181. The next prime is 101220100211. The reversal of 101220100202 is 202001022101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94618375201 + 6601725001 = 307601^2 + 81251^2 .

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, 1946540363 + ... + 1946540414.

Almost surely, 2^101220100202 is an apocalyptic number.

101220100202 is a deficient number, since it is larger than the sum of its proper divisors (62289292474).

101220100202 is a wasteful number, since it uses less digits than its factorization.

101220100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893080792.

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

Adding to 101220100202 its reverse (202001022101), we get a palindrome (303221122303).

The spelling of 101220100202 in words is "one hundred one billion, two hundred twenty million, one hundred thousand, two hundred two".