1000110021222 has 64 divisors (see below), whose sum is σ = 2270032611840. Its totient is φ = 291198758400.

The previous prime is 1000110021217. The next prime is 1000110021271. The reversal of 1000110021222 is 2221200110001.

It is a junction number, because it is equal to n+sod(n) for n = 1000110021198 and 1000110021207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 922647 + ... + 1688637.

It is an arithmetic number, because the mean of its divisors is an integer number (35469259560).

Almost surely, 2^{1000110021222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000110021222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135016305920).

1000110021222 is an abundant number, since it is smaller than the sum of its proper divisors (1269922590618).

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

1000110021222 is a wasteful number, since it uses less digits than its factorization.

1000110021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766909.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000110021222 its reverse (2221200110001), we get a palindrome (3221310131223).

The spelling of 1000110021222 in words is "one trillion, one hundred ten million, twenty-one thousand, two hundred twenty-two".