121200211098 has 12 divisors (see below), whose sum is σ = 262600457418. Its totient is φ = 40400070360.

The previous prime is 121200211049. The next prime is 121200211109. The reversal of 121200211098 is 890112002121.

It can be written as a sum of positive squares in only one way, i.e., 102673462329 + 18526748769 = 320427^2 + 136113^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3366672513 + ... + 3366672548.

Almost surely, 2^121200211098 is an apocalyptic number.

121200211098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

121200211098 is an abundant number, since it is smaller than the sum of its proper divisors (141400246320).

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

121200211098 is a wasteful number, since it uses less digits than its factorization.

121200211098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733345069 (or 6733345066 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 121200211098 in words is "one hundred twenty-one billion, two hundred million, two hundred eleven thousand, ninety-eight".