121103313030 has 80 divisors (see below), whose sum is σ = 372152420640. Its totient is φ = 27680755968.

The previous prime is 121103312977. The next prime is 121103313041. The reversal of 121103313030 is 30313301121.

It is a happy number.

121103313030 is a `hidden beast` number, since 1 + 21 + 10 + 331 + 303 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121103312994 and 121103313012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10673635 + ... + 10684974.

It is an arithmetic number, because the mean of its divisors is an integer number (4651905258).

Almost surely, 2^121103313030 is an apocalyptic number.

121103313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121103313030 is an abundant number, since it is smaller than the sum of its proper divisors (251049107610).

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

121103313030 is a wasteful number, since it uses less digits than its factorization.

121103313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21358635 (or 21358626 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121103313030 its reverse (30313301121), we get a palindrome (151416614151).

The spelling of 121103313030 in words is "one hundred twenty-one billion, one hundred three million, three hundred thirteen thousand, thirty".