102291102 has 12 divisors (see below), whose sum is σ = 221630760. Its totient is φ = 34097028.

The previous prime is 102291061. The next prime is 102291121. The reversal of 102291102 is 201192201.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5682839 = 102291102 / (1 + 0 + 2 + 2 + 9 + 1 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2841402 + ... + 2841437.

It is an arithmetic number, because the mean of its divisors is an integer number (18469230).

Almost surely, 2^102291102 is an apocalyptic number.

102291102 is an abundant number, since it is smaller than the sum of its proper divisors (119339658).

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

102291102 is a wasteful number, since it uses less digits than its factorization.

102291102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682847 (or 5682844 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 102291102 is about 10113.9063669781. The cubic root of 102291102 is about 467.6769357049.

The spelling of 102291102 in words is "one hundred two million, two hundred ninety-one thousand, one hundred two".