1000100212222 has 16 divisors (see below), whose sum is σ = 1530968906592. Its totient is φ = 489866963040.

The previous prime is 1000100212207. The next prime is 1000100212273. The reversal of 1000100212222 is 2222120010001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22407513 + ... + 22452100.

It is an arithmetic number, because the mean of its divisors is an integer number (95685556662).

Almost surely, 2^{1000100212222} is an apocalyptic number.

1000100212222 is a deficient number, since it is larger than the sum of its proper divisors (530868694370).

1000100212222 is a wasteful number, since it uses less digits than its factorization.

1000100212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44859843.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000100212222 its reverse (2222120010001), we get a palindrome (3222220222223).

The spelling of 1000100212222 in words is "one trillion, one hundred million, two hundred twelve thousand, two hundred twenty-two".