1100021121122 has 48 divisors (see below), whose sum is σ = 2108581816896. Its totient is φ = 418126396800.

The previous prime is 1100021121103. The next prime is 1100021121179. The reversal of 1100021121122 is 2211211200011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1100021121097 and 1100021121106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1865753 + ... + 2383500.

It is an arithmetic number, because the mean of its divisors is an integer number (43928787852).

Almost surely, 2^{1100021121122} is an apocalyptic number.

1100021121122 is a deficient number, since it is larger than the sum of its proper divisors (1008560695774).

1100021121122 is a wasteful number, since it uses less digits than its factorization.

1100021121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249355 (or 4249314 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100021121122 its reverse (2211211200011), we get a palindrome (3311232321133).

The spelling of 1100021121122 in words is "one trillion, one hundred billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".