1001022112222 has 32 divisors (see below), whose sum is σ = 1659643945344. Its totient is φ = 449037252000.

The previous prime is 1001022112217. The next prime is 1001022112241. The reversal of 1001022112222 is 2222112201001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001022112196 and 1001022112205.

It is a congruent number.

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, 51568 + ... + 1415875.

It is an arithmetic number, because the mean of its divisors is an integer number (51863873292).

Almost surely, 2^{1001022112222} is an apocalyptic number.

1001022112222 is a deficient number, since it is larger than the sum of its proper divisors (658621833122).

1001022112222 is a wasteful number, since it uses less digits than its factorization.

1001022112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467864.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1001022112222 its reverse (2222112201001), we get a palindrome (3223134313223).

The spelling of 1001022112222 in words is "one trillion, one billion, twenty-two million, one hundred twelve thousand, two hundred twenty-two".