11212110120220 has 96 divisors (see below), whose sum is σ = 24333751572480. Its totient is φ = 4335034456320.

The previous prime is 11212110120199. The next prime is 11212110120223. The reversal of 11212110120220 is 2202101121211.

It is a super-2 number, since 2×11212110120220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212110120194 and 11212110120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212110120223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3049253022 + ... + 3049256698.

It is an arithmetic number, because the mean of its divisors is an integer number (253476578880).

Almost surely, 2^{11212110120220} is an apocalyptic number.

11212110120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212110120220 is an abundant number, since it is smaller than the sum of its proper divisors (13121641452260).

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

11212110120220 is a wasteful number, since it uses less digits than its factorization.

11212110120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203 (or 8201 counting only the distinct ones).

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

Adding to 11212110120220 its reverse (2202101121211), we get a palindrome (13414211241431).

The spelling of 11212110120220 in words is "eleven trillion, two hundred twelve billion, one hundred ten million, one hundred twenty thousand, two hundred twenty".