1111022211012 has 24 divisors (see below), whose sum is σ = 2962725896256. Its totient is φ = 317434917408.

The previous prime is 1111022210941. The next prime is 1111022211041. The reversal of 1111022211012 is 2101122201111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111022210982 and 1111022211000.

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, 6613227363 + ... + 6613227530.

It is an arithmetic number, because the mean of its divisors is an integer number (123446912344).

Almost surely, 2^{1111022211012} is an apocalyptic number.

1111022211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111022211012 is an abundant number, since it is smaller than the sum of its proper divisors (1851703685244).

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

1111022211012 is a wasteful number, since it uses less digits than its factorization.

1111022211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13226454907 (or 13226454905 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111022211012 its reverse (2101122201111), we get a palindrome (3212144412123).

Subtracting 1111022211012 from its reverse (2101122201111), we obtain a palindrome (990099990099).

The spelling of 1111022211012 in words is "one trillion, one hundred eleven billion, twenty-two million, two hundred eleven thousand, twelve".