222110002021120 has 72 divisors (see below), whose sum is σ = 532042409674944. Its totient is φ = 88840736858112.

The previous prime is 222110002021069. The next prime is 222110002021123. The reversal of 222110002021120 is 21120200011222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222110002021094 and 222110002021103.

It is not an unprimeable number, because it can be changed into a prime (222110002021123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31817577 + ... + 38165143.

It is an arithmetic number, because the mean of its divisors is an integer number (7389477912152).

Almost surely, 2^{222110002021120} is an apocalyptic number.

222110002021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110002021120 is an abundant number, since it is smaller than the sum of its proper divisors (309932407653824).

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

222110002021120 is an equidigital number, since it uses as much as digits as its factorization.

222110002021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374925 (or 6374911 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222110002021120 its reverse (21120200011222), we get a palindrome (243230202032342).

The spelling of 222110002021120 in words is "two hundred twenty-two trillion, one hundred ten billion, two million, twenty-one thousand, one hundred twenty".