211220220101120 has 80 divisors (see below), whose sum is σ = 508451145668928. Its totient is φ = 84151481856000.

The previous prime is 211220220101117. The next prime is 211220220101159. The reversal of 211220220101120 is 21101022022112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×211220220101120² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163715804 + ... + 165000923.

Almost surely, 2^{211220220101120} is an apocalyptic number.

211220220101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211220220101120 is an abundant number, since it is smaller than the sum of its proper divisors (297230925567808).

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

211220220101120 is an equidigital number, since it uses as much as digits as its factorization.

211220220101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328717001 (or 328716985 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211220220101120 its reverse (21101022022112), we get a palindrome (232321242123232).

The spelling of 211220220101120 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred twenty million, one hundred one thousand, one hundred twenty".