1100101212120 has 64 divisors (see below), whose sum is σ = 3313997929440. Its totient is φ = 292143052800.

The previous prime is 1100101212113. The next prime is 1100101212127. The reversal of 1100101212120 is 212121010011.

It is an interprime number because it is at equal distance from previous prime (1100101212113) and next prime (1100101212127).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100101212096 and 1100101212105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100101212127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18990811 + ... + 19048650.

Almost surely, 2^{1100101212120} is an apocalyptic number.

1100101212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100101212120 is an abundant number, since it is smaller than the sum of its proper divisors (2213896717320).

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

1100101212120 is a wasteful number, since it uses less digits than its factorization.

1100101212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38039716 (or 38039712 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100101212120 its reverse (212121010011), we get a palindrome (1312222222131).

The spelling of 1100101212120 in words is "one trillion, one hundred billion, one hundred one million, two hundred twelve thousand, one hundred twenty".