222110201000 has 64 divisors (see below), whose sum is σ = 524337587280. Its totient is φ = 88057804800.

The previous prime is 222110200999. The next prime is 222110201023. The reversal of 222110201000 is 102011222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8142896644 + 213967304356 = 90238^2 + 462566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869789 + ... + 1095788.

Almost surely, 2^222110201000 is an apocalyptic number.

222110201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110201000 is an abundant number, since it is smaller than the sum of its proper divisors (302227386280).

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

222110201000 is a wasteful number, since it uses less digits than its factorization.

222110201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965711 (or 1965697 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222110201000 its reverse (102011222), we get a palindrome (222212212222).

The spelling of 222110201000 in words is "two hundred twenty-two billion, one hundred ten million, two hundred one thousand".