211220000111120 has 320 divisors, whose sum is σ = 674694880763904. Its totient is φ = 59357318952960.

The previous prime is 211220000111117. The next prime is 211220000111177. The reversal of 211220000111120 is 21111000022112.

It is a super-2 number, since 2×211220000111120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 211220000111095 and 211220000111104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27226472 + ... + 34113351.

Almost surely, 2^{211220000111120} is an apocalyptic number.

211220000111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211220000111120 is an abundant number, since it is smaller than the sum of its proper divisors (463474880652784).

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

211220000111120 is a wasteful number, since it uses less digits than its factorization.

211220000111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61339910 (or 61339904 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211220000111120 its reverse (21111000022112), we get a palindrome (232331000133232).

The spelling of 211220000111120 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred eleven thousand, one hundred twenty".