102101022202 has 4 divisors (see below), whose sum is σ = 153151533306. Its totient is φ = 51050511100.

The previous prime is 102101022181. The next prime is 102101022203. The reversal of 102101022202 is 202220101201.

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., 73115619201 + 28985403001 = 270399^2 + 170251^2 .

It is not an unprimeable number, because it can be changed into a prime (102101022203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525255549 + ... + 25525255552.

Almost surely, 2^102101022202 is an apocalyptic number.

102101022202 is a deficient number, since it is larger than the sum of its proper divisors (51050511104).

102101022202 is an equidigital number, since it uses as much as digits as its factorization.

102101022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050511103.

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

Adding to 102101022202 its reverse (202220101201), we get a palindrome (304321123403).

The spelling of 102101022202 in words is "one hundred two billion, one hundred one million, twenty-two thousand, two hundred two".