121100230110 has 16 divisors (see below), whose sum is σ = 290640552336. Its totient is φ = 32293394688.

The previous prime is 121100230091. The next prime is 121100230123. The reversal of 121100230110 is 11032001121.

It is a super-2 number, since 2×121100230110² (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 7 ways as a sum of consecutive naturals, for example, 2018337139 + ... + 2018337198.

It is an arithmetic number, because the mean of its divisors is an integer number (18165034521).

Almost surely, 2^121100230110 is an apocalyptic number.

121100230110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100230110 is an abundant number, since it is smaller than the sum of its proper divisors (169540322226).

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

121100230110 is a wasteful number, since it uses less digits than its factorization.

121100230110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036674347.

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

Adding to 121100230110 its reverse (11032001121), we get a palindrome (132132231231).

The spelling of 121100230110 in words is "one hundred twenty-one billion, one hundred million, two hundred thirty thousand, one hundred ten".