101220200122 has 4 divisors (see below), whose sum is σ = 151830300186. Its totient is φ = 50610100060.

The previous prime is 101220200111. The next prime is 101220200227. The reversal of 101220200122 is 221002022101.

It is a happy number.

101220200122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 60364067481 + 40856132641 = 245691^2 + 202129^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305050029 + ... + 25305050032.

Almost surely, 2^101220200122 is an apocalyptic number.

101220200122 is a deficient number, since it is larger than the sum of its proper divisors (50610100064).

101220200122 is an equidigital number, since it uses as much as digits as its factorization.

101220200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50610100063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101220200122 its reverse (221002022101), we get a palindrome (322222222223).

The spelling of 101220200122 in words is "one hundred one billion, two hundred twenty million, two hundred thousand, one hundred twenty-two".