220011111202120 has 64 divisors (see below), whose sum is σ = 565753776364800. Its totient is φ = 75430925118720.

The previous prime is 220011111202093. The next prime is 220011111202193. The reversal of 220011111202120 is 21202111110022.

It is a super-2 number, since 2×220011111202120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220011111202094 and 220011111202103.

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, 7000846 + ... + 22114114.

It is an arithmetic number, because the mean of its divisors is an integer number (8839902755700).

Almost surely, 2^{220011111202120} is an apocalyptic number.

220011111202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011111202120 is an abundant number, since it is smaller than the sum of its proper divisors (345742665162680).

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

220011111202120 is a wasteful number, since it uses less digits than its factorization.

220011111202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165278 (or 15165274 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220011111202120 its reverse (21202111110022), we get a palindrome (241213222312142).

The spelling of 220011111202120 in words is "two hundred twenty trillion, eleven billion, one hundred eleven million, two hundred two thousand, one hundred twenty".