121100320230 has 32 divisors (see below), whose sum is σ = 291372889824. Its totient is φ = 32212071936.

The previous prime is 121100320213. The next prime is 121100320241. The reversal of 121100320230 is 32023001121.

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

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, 5072067 + ... + 5095886.

It is an arithmetic number, because the mean of its divisors is an integer number (9105402807).

Almost surely, 2^121100320230 is an apocalyptic number.

121100320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100320230 is an abundant number, since it is smaller than the sum of its proper divisors (170272569594).

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

121100320230 is a wasteful number, since it uses less digits than its factorization.

121100320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168360.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121100320230 its reverse (32023001121), we get a palindrome (153123321351).

It can be divided in two parts, 121100 and 320230, that added together give a triangular number (441330 = T₉₃₉).

The spelling of 121100320230 in words is "one hundred twenty-one billion, one hundred million, three hundred twenty thousand, two hundred thirty".