1100122022028 has 24 divisors (see below), whose sum is σ = 2567325931632. Its totient is φ = 366653833984.

The previous prime is 1100122022011. The next prime is 1100122022029. The reversal of 1100122022028 is 8202202210011.

It is a junction number, because it is equal to n+sod(n) for n = 1100122021995 and 1100122022013.

It is not an unprimeable number, because it can be changed into a prime (1100122022029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6602625 + ... + 6767192.

It is an arithmetic number, because the mean of its divisors is an integer number (106971913818).

Almost surely, 2^{1100122022028} is an apocalyptic number.

It is an amenable number.

1100122022028 is an abundant number, since it is smaller than the sum of its proper divisors (1467203909604).

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

1100122022028 is a wasteful number, since it uses less digits than its factorization.

1100122022028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376681 (or 13376679 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1100122022028 its reverse (8202202210011), we get a palindrome (9302324232039).

The spelling of 1100122022028 in words is "one trillion, one hundred billion, one hundred twenty-two million, twenty-two thousand, twenty-eight".