1100122122000 has 640 divisors, whose sum is σ = 4133562720768. Its totient is φ = 248758272000.

The previous prime is 1100122121971. The next prime is 1100122122049. The reversal of 1100122122000 is 2212210011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 126781662 + ... + 126790338.

Almost surely, 2^{1100122122000} is an apocalyptic number.

1100122122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100122122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2066781360384).

1100122122000 is an abundant number, since it is smaller than the sum of its proper divisors (3033440598768).

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

1100122122000 is a wasteful number, since it uses less digits than its factorization.

1100122122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844 (or 8828 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1100122122000 its reverse (2212210011), we get a palindrome (1102334332011).

The spelling of 1100122122000 in words is "one trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-two thousand".