222122002021110 has 48 divisors (see below), whose sum is σ = 577519200704160. Its totient is φ = 59232329210880.

The previous prime is 222122002021093. The next prime is 222122002021123. The reversal of 222122002021110 is 11120200221222.

It is a happy number.

222122002021110 is a `hidden beast` number, since 2 + 221 + 2 + 200 + 20 + 211 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22883415 + ... + 31111005.

It is an arithmetic number, because the mean of its divisors is an integer number (12031650014670).

Almost surely, 2^{222122002021110} is an apocalyptic number.

222122002021110 is an abundant number, since it is smaller than the sum of its proper divisors (355397198683050).

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

222122002021110 is a wasteful number, since it uses less digits than its factorization.

222122002021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527573 (or 8527570 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222122002021110 its reverse (11120200221222), we get a palindrome (233242202242332).

The spelling of 222122002021110 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two million, twenty-one thousand, one hundred ten".