1011100211222 has 8 divisors (see below), whose sum is σ = 1528592445696. Its totient is φ = 501569395992.

The previous prime is 1011100211203. The next prime is 1011100211237. The reversal of 1011100211222 is 2221120011101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1011100211197 and 1011100211206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990354493 + ... + 1990355000.

It is an arithmetic number, because the mean of its divisors is an integer number (191074055712).

Almost surely, 2^{1011100211222} is an apocalyptic number.

1011100211222 is a deficient number, since it is larger than the sum of its proper divisors (517492234474).

1011100211222 is a wasteful number, since it uses less digits than its factorization.

1011100211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980709622.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011100211222 its reverse (2221120011101), we get a palindrome (3232220222323).

The spelling of 1011100211222 in words is "one trillion, eleven billion, one hundred million, two hundred eleven thousand, two hundred twenty-two".