222102102221100 has 108 divisors (see below), whose sum is σ = 696169536360480. Its totient is φ = 59226985987200.

The previous prime is 222102102221039. The next prime is 222102102221117. The reversal of 222102102221100 is 1122201201222.

It is a happy number.

222102102221100 is a `hidden beast` number, since 2 + 221 + 0 + 210 + 2 + 221 + 10 + 0 = 666.

It is a super-2 number, since 2×222102102221100² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 383100445 + ... + 383679755.

It is an arithmetic number, because the mean of its divisors is an integer number (6446014225560).

Almost surely, 2^{222102102221100} is an apocalyptic number.

222102102221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222102102221100 is an abundant number, since it is smaller than the sum of its proper divisors (474067434139380).

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

222102102221100 is a wasteful number, since it uses less digits than its factorization.

222102102221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005320 (or 1005310 counting only the distinct ones).

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

Adding to 222102102221100 its reverse (1122201201222), we get a palindrome (223224303422322).

The spelling of 222102102221100 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred two million, two hundred twenty-one thousand, one hundred".