121141100 has 18 divisors (see below), whose sum is σ = 262876404. Its totient is φ = 48456400.

The previous prime is 121141079. The next prime is 121141129. The reversal of 121141100 is 1141121.

It is a super-3 number, since 3×121141100³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 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, 605606 + ... + 605805.

Almost surely, 2^121141100 is an apocalyptic number.

121141100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121141100 is an abundant number, since it is smaller than the sum of its proper divisors (141735304).

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

121141100 is a wasteful number, since it uses less digits than its factorization.

121141100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211425 (or 1211418 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 121141100 is about 11006.4117676925. The cubic root of 121141100 is about 494.8009266497.

Adding to 121141100 its reverse (1141121), we get a palindrome (122282221).

The spelling of 121141100 in words is "one hundred twenty-one million, one hundred forty-one thousand, one hundred".