121120110100000 has 144 divisors (see below), whose sum is σ = 325145396987712. Its totient is φ = 44043676000000.

The previous prime is 121120110099977. The next prime is 121120110100051. The reversal of 121120110100000 is 1011021121.

It is a super-2 number, since 2×121120110100000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 121120110100000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53954596 + ... + 56154595.

It is an arithmetic number, because the mean of its divisors is an integer number (2257954145748).

Almost surely, 2^{121120110100000} is an apocalyptic number.

121120110100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120110100000 is an abundant number, since it is smaller than the sum of its proper divisors (204025286887712).

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

121120110100000 is an equidigital number, since it uses as much as digits as its factorization.

121120110100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110109237 (or 110109209 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121120110100000 its reverse (1011021121), we get a palindrome (121121121121121).

The spelling of 121120110100000 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, one hundred thousand".