1111100120010 has 48 divisors (see below), whose sum is σ = 3014462939904. Its totient is φ = 283411044576.

The previous prime is 1111100119963. The next prime is 1111100120017. The reversal of 1111100120010 is 100210011111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1111100119974 and 1111100120001.

It is not an unprimeable number, because it can be changed into a prime (1111100120017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268379602 + ... + 268383741.

It is an arithmetic number, because the mean of its divisors is an integer number (62801311248).

Almost surely, 2^{1111100120010} is an apocalyptic number.

1111100120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111100120010 is an abundant number, since it is smaller than the sum of its proper divisors (1903362819894).

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

1111100120010 is a wasteful number, since it uses less digits than its factorization.

1111100120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536763379 (or 536763376 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1111100120010 its reverse (100210011111), we get a palindrome (1211310131121).

The spelling of 1111100120010 in words is "one trillion, one hundred eleven billion, one hundred million, one hundred twenty thousand, ten".