121102211001200 has 240 divisors, whose sum is σ = 349762256866176. Its totient is φ = 39704350694400.

The previous prime is 121102211001199. The next prime is 121102211001229. The reversal of 121102211001200 is 2100112201121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22158674 + ... + 27077873.

Almost surely, 2^{121102211001200} is an apocalyptic number.

121102211001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102211001200 is an abundant number, since it is smaller than the sum of its proper divisors (228660045864976).

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

121102211001200 is a wasteful number, since it uses less digits than its factorization.

121102211001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49236632 (or 49236621 counting only the distinct ones).

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

Adding to 121102211001200 its reverse (2100112201121), we get a palindrome (123202323202321).

The spelling of 121102211001200 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred eleven million, one thousand, two hundred".