121110023130 has 32 divisors (see below), whose sum is σ = 290715934464. Its totient is φ = 32290241856.

The previous prime is 121110023129. The next prime is 121110023143. The reversal of 121110023130 is 31320011121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188037 + ... + 526856.

It is an arithmetic number, because the mean of its divisors is an integer number (9084872952).

Almost surely, 2^121110023130 is an apocalyptic number.

121110023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121110023130 is an abundant number, since it is smaller than the sum of its proper divisors (169605911334).

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

121110023130 is a wasteful number, since it uses less digits than its factorization.

121110023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720550.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121110023130 its reverse (31320011121), we get a palindrome (152430034251).

The spelling of 121110023130 in words is "one hundred twenty-one billion, one hundred ten million, twenty-three thousand, one hundred thirty".