102002021111210 has 96 divisors (see below), whose sum is σ = 202582725250752. Its totient is φ = 36950107040000.

The previous prime is 102002021111209. The next prime is 102002021111213. The reversal of 102002021111210 is 12111120200201.

It is not an unprimeable number, because it can be changed into a prime (102002021111213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1390944245 + ... + 1391017575.

It is an arithmetic number, because the mean of its divisors is an integer number (2110236721362).

Almost surely, 2^{102002021111210} is an apocalyptic number.

102002021111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102002021111210 is a deficient number, since it is larger than the sum of its proper divisors (100580704139542).

102002021111210 is a wasteful number, since it uses less digits than its factorization.

102002021111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77732 (or 77721 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102002021111210 its reverse (12111120200201), we get a palindrome (114113141311411).

The spelling of 102002021111210 in words is "one hundred two trillion, two billion, twenty-one million, one hundred eleven thousand, two hundred ten".