1100122121122 has 8 divisors (see below), whose sum is σ = 1650806606016. Its totient is φ = 549853252452.

The previous prime is 1100122121107. The next prime is 1100122121123. The reversal of 1100122121122 is 2211212210011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1100122121096 and 1100122121105.

It is not an unprimeable number, because it can be changed into a prime (1100122121123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103897438 + ... + 103908025.

It is an arithmetic number, because the mean of its divisors is an integer number (206350825752).

Almost surely, 2^{1100122121122} is an apocalyptic number.

1100122121122 is a deficient number, since it is larger than the sum of its proper divisors (550684484894).

1100122121122 is a wasteful number, since it uses less digits than its factorization.

1100122121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207808112.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1100122121122 its reverse (2211212210011), we get a palindrome (3311334331133).

The spelling of 1100122121122 in words is "one trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".