1100121022110 has 128 divisors (see below), whose sum is σ = 2886983078400. Its totient is φ = 266079582720.

The previous prime is 1100121022097. The next prime is 1100121022211. The reversal of 1100121022110 is 112201210011.

It is a super-2 number, since 2×1100121022110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394448596 + ... + 394451384.

It is an arithmetic number, because the mean of its divisors is an integer number (22554555300).

Almost surely, 2^{1100121022110} is an apocalyptic number.

1100121022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100121022110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443491539200).

1100121022110 is an abundant number, since it is smaller than the sum of its proper divisors (1786862056290).

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

1100121022110 is a wasteful number, since it uses less digits than its factorization.

1100121022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100121022110 its reverse (112201210011), we get a palindrome (1212322232121).

The spelling of 1100121022110 in words is "one trillion, one hundred billion, one hundred twenty-one million, twenty-two thousand, one hundred ten".