102201102 has 20 divisors (see below), whose sum is σ = 229006536. Its totient is φ = 34066980.

The previous prime is 102201101. The next prime is 102201109. The reversal of 102201102 is 201102201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201101) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315274 + ... + 315597.

Almost surely, 2^102201102 is an apocalyptic number.

102201102 is an abundant number, since it is smaller than the sum of its proper divisors (126805434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102201102 is an equidigital number, since it uses as much as digits as its factorization.

102201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630885 (or 630876 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 102201102 is about 10109.4560684539. The cubic root of 102201102 is about 467.5397348670.

Adding to 102201102 its reverse (201102201), we get a palindrome (303303303).

The spelling of 102201102 in words is "one hundred two million, two hundred one thousand, one hundred two".