121102012200210 has 64 divisors (see below), whose sum is σ = 303504400638720. Its totient is φ = 30867091988480.

The previous prime is 121102012200167. The next prime is 121102012200329. The reversal of 121102012200210 is 12002210201121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121102012200210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63539295 + ... + 65417474.

It is an arithmetic number, because the mean of its divisors is an integer number (4742256259980).

Almost surely, 2^{121102012200210} is an apocalyptic number.

121102012200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102012200210 is an abundant number, since it is smaller than the sum of its proper divisors (182402388438510).

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

121102012200210 is a wasteful number, since it uses less digits than its factorization.

121102012200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128958163.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121102012200210 its reverse (12002210201121), we get a palindrome (133104222401331).

The spelling of 121102012200210 in words is "one hundred twenty-one trillion, one hundred two billion, twelve million, two hundred thousand, two hundred ten".