1100211222012 has 48 divisors (see below), whose sum is σ = 2933955505152. Its totient is φ = 314339751360.

The previous prime is 1100211222007. The next prime is 1100211222013. The reversal of 1100211222012 is 2102221120011.

It is a super-2 number, since 2×1100211222012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100211221982 and 1100211222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100211222013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5507437 + ... + 5703707.

It is an arithmetic number, because the mean of its divisors is an integer number (61124073024).

Almost surely, 2^{1100211222012} is an apocalyptic number.

1100211222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100211222012 is an abundant number, since it is smaller than the sum of its proper divisors (1833744283140).

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

1100211222012 is a wasteful number, since it uses less digits than its factorization.

1100211222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263018 (or 263016 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1100211222012 its reverse (2102221120011), we get a palindrome (3202432342023).

The spelling of 1100211222012 in words is "one trillion, one hundred billion, two hundred eleven million, two hundred twenty-two thousand, twelve".