1210011001120 has 96 divisors (see below), whose sum is σ = 3005704966320. Its totient is φ = 459653591040.

The previous prime is 1210011001097. The next prime is 1210011001159. The reversal of 1210011001120 is 211001100121.

It can be written as a sum of positive squares in 8 ways, for example, as 135745086096 + 1074265915024 = 368436^2 + 1036468^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1210011001097 and 1210011001106.

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, 1854487 + ... + 2420566.

Almost surely, 2^{1210011001120} is an apocalyptic number.

1210011001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210011001120 is an abundant number, since it is smaller than the sum of its proper divisors (1795693965200).

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

1210011001120 is a wasteful number, since it uses less digits than its factorization.

1210011001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275158 (or 4275150 counting only the distinct ones).

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

Adding to 1210011001120 its reverse (211001100121), we get a palindrome (1421012101241).

Subtracting from 1210011001120 its reverse (211001100121), we obtain a palindrome (999009900999).

The spelling of 1210011001120 in words is "one trillion, two hundred ten billion, eleven million, one thousand, one hundred twenty".