2121112000220 has 12 divisors (see below), whose sum is σ = 4454335200504. Its totient is φ = 848444800080.

The previous prime is 2121112000201. The next prime is 2121112000237. The reversal of 2121112000220 is 220002111212.

It is a super-2 number, since 2×2121112000220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121112000195 and 2121112000204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53027799986 + ... + 53027800025.

It is an arithmetic number, because the mean of its divisors is an integer number (371194600042).

Almost surely, 2^{2121112000220} is an apocalyptic number.

2121112000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121112000220 is an abundant number, since it is smaller than the sum of its proper divisors (2333223200284).

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

2121112000220 is a wasteful number, since it uses less digits than its factorization.

2121112000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106055600020 (or 106055600018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121112000220 its reverse (220002111212), we get a palindrome (2341114111432).

The spelling of 2121112000220 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty", and thus it is an aban number.