222211020221000 has 128 divisors (see below), whose sum is σ = 536230962540000. Its totient is φ = 86134503424000.

The previous prime is 222211020220991. The next prime is 222211020221009. The reversal of 222211020221000 is 122020112222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222211020220991) and next prime (222211020221009).

It can be written as a sum of positive squares in 16 ways, for example, as 130186867722916 + 92024152498084 = 11409946^2 + 9592922^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222211020221000.

It is not an unprimeable number, because it can be changed into a prime (222211020221009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12078185 + ... + 24296184.

Almost surely, 2^{222211020221000} is an apocalyptic number.

222211020221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211020221000 is an abundant number, since it is smaller than the sum of its proper divisors (314019942319000).

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

222211020221000 is a wasteful number, since it uses less digits than its factorization.

222211020221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36374580 (or 36374566 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222211020221000 its reverse (122020112222), we get a palindrome (222333040333222).

The spelling of 222211020221000 in words is "two hundred twenty-two trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand".