211120200000120 has 128 divisors (see below), whose sum is σ = 662802625635840. Its totient is φ = 53695759265280.

The previous prime is 211120200000109. The next prime is 211120200000131. The reversal of 211120200000120 is 21000002021112.

It is an interprime number because it is at equal distance from previous prime (211120200000109) and next prime (211120200000131).

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 = 211120200000096 and 211120200000105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109262491 + ... + 111177930.

It is an arithmetic number, because the mean of its divisors is an integer number (5178145512780).

Almost surely, 2^{211120200000120} is an apocalyptic number.

211120200000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120200000120 is an abundant number, since it is smaller than the sum of its proper divisors (451682425635720).

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

211120200000120 is a wasteful number, since it uses less digits than its factorization.

211120200000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220440805 (or 220440801 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211120200000120 its reverse (21000002021112), we get a palindrome (232120202021232).

The spelling of 211120200000120 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred million, one hundred twenty", and thus it is an aban number.