121101000200 has 48 divisors (see below), whose sum is σ = 281723101380. Its totient is φ = 48412309760.

The previous prime is 121101000179. The next prime is 121101000221. The reversal of 121101000200 is 2000101121.

It is an interprime number because it is at equal distance from previous prime (121101000179) and next prime (121101000221).

It can be written as a sum of positive squares in 6 ways, for example, as 42932668804 + 78168331396 = 207202^2 + 279586^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171902 + ... + 521298.

Almost surely, 2^121101000200 is an apocalyptic number.

121101000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101000200 is an abundant number, since it is smaller than the sum of its proper divisors (160622101180).

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

121101000200 is a wasteful number, since it uses less digits than its factorization.

121101000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351146 (or 351137 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 121101000200 its reverse (2000101121), we get a palindrome (123101101321).

The spelling of 121101000200 in words is "one hundred twenty-one billion, one hundred one million, two hundred", and thus it is an aban number.