1100222111021 has 8 divisors (see below), whose sum is σ = 1200449061504. Its totient is φ = 1000029620320.

The previous prime is 1100222111017. The next prime is 1100222111029. The reversal of 1100222111021 is 1201112220011.

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

It is a cyclic number.

It is not a de Polignac number, because 1100222111021 - 2² = 1100222111017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100222110987 and 1100222111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100222111029) 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, 8548160 + ... + 8675913.

It is an arithmetic number, because the mean of its divisors is an integer number (150056132688).

Almost surely, 2^{1100222111021} is an apocalyptic number.

1100222111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100222111021 is a deficient number, since it is larger than the sum of its proper divisors (100226950483).

1100222111021 is a wasteful number, since it uses less digits than its factorization.

1100222111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17229891.

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

Adding to 1100222111021 its reverse (1201112220011), we get a palindrome (2301334331032).

The spelling of 1100222111021 in words is "one trillion, one hundred billion, two hundred twenty-two million, one hundred eleven thousand, twenty-one".