121130023100 has 108 divisors (see below), whose sum is σ = 273004401600. Its totient is φ = 46601625600.

The previous prime is 121130023099. The next prime is 121130023117. The reversal of 121130023100 is 1320031121.

It is a super-2 number, since 2×121130023100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 115471376 + ... + 115472424.

Almost surely, 2^121130023100 is an apocalyptic number.

121130023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121130023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136502200800).

121130023100 is an abundant number, since it is smaller than the sum of its proper divisors (151874378500).

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

121130023100 is a wasteful number, since it uses less digits than its factorization.

121130023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121130023100 its reverse (1320031121), we get a palindrome (122450054221).

The spelling of 121130023100 in words is "one hundred twenty-one billion, one hundred thirty million, twenty-three thousand, one hundred".