102121120110200 has 48 divisors (see below), whose sum is σ = 237433789961280. Its totient is φ = 40848072008960.

The previous prime is 102121120110197. The next prime is 102121120110203. The reversal of 102121120110200 is 2011021121201.

It is an interprime number because it is at equal distance from previous prime (102121120110197) and next prime (102121120110203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121120110203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19958012 + ... + 24547188.

It is an arithmetic number, because the mean of its divisors is an integer number (4946537290860).

Almost surely, 2^{102121120110200} is an apocalyptic number.

102121120110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102121120110200 is an abundant number, since it is smaller than the sum of its proper divisors (135312669851080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102121120110200 is a wasteful number, since it uses less digits than its factorization.

102121120110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700456 (or 4700447 counting only the distinct ones).

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

Adding to 102121120110200 its reverse (2011021121201), we get a palindrome (104132141231401).

The spelling of 102121120110200 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, two hundred".