121101030 has 48 divisors (see below), whose sum is σ = 333388224. Its totient is φ = 30393600.

The previous prime is 121101023. The next prime is 121101031. The reversal of 121101030 is 30101121.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38046 + ... + 41105.

It is an arithmetic number, because the mean of its divisors is an integer number (6945588).

Almost surely, 2^121101030 is an apocalyptic number.

121101030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101030 is an abundant number, since it is smaller than the sum of its proper divisors (212287194).

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

121101030 is a wasteful number, since it uses less digits than its factorization.

121101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79181 (or 79178 counting only the distinct ones).

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

The square root of 121101030 is about 11004.5913145378. The cubic root of 121101030 is about 494.7463653171.

Adding to 121101030 its reverse (30101121), we get a palindrome (151202151).

Subtracting from 121101030 its reverse (30101121), we obtain a palindrome (90999909).

The spelling of 121101030 in words is "one hundred twenty-one million, one hundred one thousand, thirty".