121101111030 has 32 divisors (see below), whose sum is σ = 290651825664. Its totient is φ = 32292611936.

The previous prime is 121101111029. The next prime is 121101111059. The reversal of 121101111030 is 30111101121.

It is a junction number, because it is equal to n+sod(n) for n = 121101110997 and 121101111015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1785397 + ... + 1851983.

It is an arithmetic number, because the mean of its divisors is an integer number (9082869552).

Almost surely, 2^121101111030 is an apocalyptic number.

121101111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101111030 is an abundant number, since it is smaller than the sum of its proper divisors (169550714634).

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

121101111030 is a wasteful number, since it uses less digits than its factorization.

121101111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127220.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 121101111030 its reverse (30111101121), we get a palindrome (151212212151).

Subtracting from 121101111030 its reverse (30111101121), we obtain a palindrome (90990009909).

The spelling of 121101111030 in words is "one hundred twenty-one billion, one hundred one million, one hundred eleven thousand, thirty".