211120201112220 has 48 divisors (see below), whose sum is σ = 656818403461920. Its totient is φ = 56298720296448.

The previous prime is 211120201112201. The next prime is 211120201112243. The reversal of 211120201112220 is 22211102021112.

211120201112220 is a `hidden beast` number, since 2 + 11 + 120 + 201 + 112 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211120201112193 and 211120201112202.

It is a congruent number.

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, 195481667157 + ... + 195481668236.

It is an arithmetic number, because the mean of its divisors is an integer number (13683716738790).

Almost surely, 2^{211120201112220} is an apocalyptic number.

211120201112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120201112220 is an abundant number, since it is smaller than the sum of its proper divisors (445698202349700).

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

211120201112220 is a wasteful number, since it uses less digits than its factorization.

211120201112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390963335411 (or 390963335403 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211120201112220 its reverse (22211102021112), we get a palindrome (233331303133332).

The spelling of 211120201112220 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred one million, one hundred twelve thousand, two hundred twenty".