1101222212123 has 8 divisors (see below), whose sum is σ = 1201359126960. Its totient is φ = 1001089598080.

The previous prime is 1101222212017. The next prime is 1101222212171. The reversal of 1101222212123 is 3212122221011.

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

It is not a de Polignac number, because 1101222212123 - 2¹⁰ = 1101222211099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101222212095 and 1101222212104.

It is not an unprimeable number, because it can be changed into a prime (1101222212173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527690 + ... + 1575087.

It is an arithmetic number, because the mean of its divisors is an integer number (150169890870).

Almost surely, 2^{1101222212123} is an apocalyptic number.

1101222212123 is a deficient number, since it is larger than the sum of its proper divisors (100136914837).

1101222212123 is a wasteful number, since it uses less digits than its factorization.

1101222212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150397.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1101222212123 its reverse (3212122221011), we get a palindrome (4313344433134).

The spelling of 1101222212123 in words is "one trillion, one hundred one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred twenty-three".