102120202 has 16 divisors (see below), whose sum is σ = 155692800. Its totient is φ = 50228640.

The previous prime is 102120197. The next prime is 102120203. The reversal of 102120202 is 202021201.

It is not an unprimeable number, because it can be changed into a prime (102120203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36199 + ... + 38917.

It is an arithmetic number, because the mean of its divisors is an integer number (9730800).

Almost surely, 2^102120202 is an apocalyptic number.

102120202 is a deficient number, since it is larger than the sum of its proper divisors (53572598).

102120202 is a wasteful number, since it uses less digits than its factorization.

102120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 102120202 is about 10105.4540719356. The cubic root of 102120202 is about 467.4163377986.

Adding to 102120202 its reverse (202021201), we get a palindrome (304141403).

Subtracting 102120202 from its reverse (202021201), we obtain a palindrome (99900999).

It can be divided in two parts, 10 and 2120202, that added together give a palindrome (2120212).

The spelling of 102120202 in words is "one hundred two million, one hundred twenty thousand, two hundred two".