222122011222020 has 192 divisors, whose sum is σ = 805754340679680. Its totient is φ = 44398708526592.

The previous prime is 222122011222003. The next prime is 222122011222051. The reversal of 222122011222020 is 20222110221222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1070466972 + ... + 1070674451.

It is an arithmetic number, because the mean of its divisors is an integer number (4196637191040).

Almost surely, 2^{222122011222020} is an apocalyptic number.

222122011222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122011222020 is an abundant number, since it is smaller than the sum of its proper divisors (583632329457660).

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

222122011222020 is a wasteful number, since it uses less digits than its factorization.

222122011222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141141474 (or 2141141472 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222122011222020 its reverse (20222110221222), we get a palindrome (242344121443242).

The spelling of 222122011222020 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, eleven million, two hundred twenty-two thousand, twenty".