102111210202 has 16 divisors (see below), whose sum is σ = 159561964800. Its totient is φ = 48966100960.

The previous prime is 102111210167. The next prime is 102111210203. The reversal of 102111210202 is 202012111201.

It is not an unprimeable number, because it can be changed into a prime (102111210203) 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, 10548202 + ... + 10557877.

It is an arithmetic number, because the mean of its divisors is an integer number (9972622800).

Almost surely, 2^102111210202 is an apocalyptic number.

102111210202 is a deficient number, since it is larger than the sum of its proper divisors (57450754598).

102111210202 is a wasteful number, since it uses less digits than its factorization.

102111210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106181.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102111210202 its reverse (202012111201), we get a palindrome (304123321403).

Subtracting 102111210202 from its reverse (202012111201), we obtain a palindrome (99900900999).

The spelling of 102111210202 in words is "one hundred two billion, one hundred eleven million, two hundred ten thousand, two hundred two".