121030011000 has 128 divisors (see below), whose sum is σ = 419570798400. Its totient is φ = 32274662400.

The previous prime is 121030010939. The next prime is 121030011007. The reversal of 121030011000 is 110030121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030011007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214297 + ... + 2268296.

Almost surely, 2^121030011000 is an apocalyptic number.

121030011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121030011000 is an abundant number, since it is smaller than the sum of its proper divisors (298540787400).

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

121030011000 is a wasteful number, since it uses less digits than its factorization.

121030011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482623 (or 4482603 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 121030011000 its reverse (110030121), we get a palindrome (121140041121).

The spelling of 121030011000 in words is "one hundred twenty-one billion, thirty million, eleven thousand".