2120010222220 has 192 divisors, whose sum is σ = 5466710269440. Its totient is φ = 680569344000.

The previous prime is 2120010222199. The next prime is 2120010222221. The reversal of 2120010222220 is 222220100212.

It is a junction number, because it is equal to n+sod(n) for n = 2120010222194 and 2120010222203.

It is not an unprimeable number, because it can be changed into a prime (2120010222221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7029367 + ... + 7324753.

It is an arithmetic number, because the mean of its divisors is an integer number (28472449320).

Almost surely, 2^{2120010222220} is an apocalyptic number.

2120010222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120010222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2733355134720).

2120010222220 is an abundant number, since it is smaller than the sum of its proper divisors (3346700047220).

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

2120010222220 is a wasteful number, since it uses less digits than its factorization.

2120010222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295544 (or 295542 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2120010222220 its reverse (222220100212), we get a palindrome (2342230322432).

The spelling of 2120010222220 in words is "two trillion, one hundred twenty billion, ten million, two hundred twenty-two thousand, two hundred twenty".