102022221100202 has 12 divisors (see below), whose sum is σ = 165710649065670. Its totient is φ = 47087178969168.

The previous prime is 102022221100187. The next prime is 102022221100207. The reversal of 102022221100202 is 202001122220201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 84498360905401 + 17523860194801 = 9192299^2 + 4186151^2 .

It is not an unprimeable number, because it can be changed into a prime (102022221100207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150920445077 + ... + 150920445752.

Almost surely, 2^{102022221100202} is an apocalyptic number.

102022221100202 is a deficient number, since it is larger than the sum of its proper divisors (63688427965468).

102022221100202 is a wasteful number, since it uses less digits than its factorization.

102022221100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301840890857 (or 301840890844 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102022221100202 its reverse (202001122220201), we get a palindrome (304023343320403).

The spelling of 102022221100202 in words is "one hundred two trillion, twenty-two billion, two hundred twenty-one million, one hundred thousand, two hundred two".