102551102 has 4 divisors (see below), whose sum is σ = 153826656. Its totient is φ = 51275550.

The previous prime is 102551081. The next prime is 102551107. The reversal of 102551102 is 201155201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201155201 = 13 ⋅15473477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102551107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25637774 + ... + 25637777.

It is an arithmetic number, because the mean of its divisors is an integer number (38456664).

Almost surely, 2^102551102 is an apocalyptic number.

102551102 is a deficient number, since it is larger than the sum of its proper divisors (51275554).

102551102 is an equidigital number, since it uses as much as digits as its factorization.

102551102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51275553.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 102551102 is about 10126.7517990716. The cubic root of 102551102 is about 468.0728421695.

The spelling of 102551102 in words is "one hundred two million, five hundred fifty-one thousand, one hundred two".