102021116 has 6 divisors (see below), whose sum is σ = 178536960. Its totient is φ = 51010556.

The previous prime is 102021113. The next prime is 102021133. The reversal of 102021116 is 611120201.

It is a self number, because there is not a number n which added to its sum of digits gives 102021116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752636 + ... + 12752643.

It is an arithmetic number, because the mean of its divisors is an integer number (29756160).

Almost surely, 2^102021116 is an apocalyptic number.

It is an amenable number.

102021116 is a deficient number, since it is larger than the sum of its proper divisors (76515844).

102021116 is a wasteful number, since it uses less digits than its factorization.

102021116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505283 (or 25505281 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 102021116 is about 10100.5502820391. The cubic root of 102021116 is about 467.2651127329.

Adding to 102021116 its reverse (611120201), we get a palindrome (713141317).

The spelling of 102021116 in words is "one hundred two million, twenty-one thousand, one hundred sixteen".