1111100012122 has 32 divisors (see below), whose sum is σ = 1693104928704. Its totient is φ = 546785184000.

The previous prime is 1111100012101. The next prime is 1111100012153. The reversal of 1111100012122 is 2212100011111.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 69171972 + ... + 69188032.

It is an arithmetic number, because the mean of its divisors is an integer number (52909529022).

Almost surely, 2^{1111100012122} is an apocalyptic number.

1111100012122 is a deficient number, since it is larger than the sum of its proper divisors (582004916582).

1111100012122 is a wasteful number, since it uses less digits than its factorization.

1111100012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17694.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111100012122 its reverse (2212100011111), we get a palindrome (3323200023233).

The spelling of 1111100012122 in words is "one trillion, one hundred eleven billion, one hundred million, twelve thousand, one hundred twenty-two".