1101222020111 has 4 divisors (see below), whose sum is σ = 1107816164112. Its totient is φ = 1094627876112.

The previous prime is 1101222020077. The next prime is 1101222020123. The reversal of 1101222020111 is 1110202221011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101222020111 - 2¹⁴ = 1101222003727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101222020611) 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, 3297071750 + ... + 3297072083.

It is an arithmetic number, because the mean of its divisors is an integer number (276954041028).

Almost surely, 2^{1101222020111} is an apocalyptic number.

1101222020111 is a deficient number, since it is larger than the sum of its proper divisors (6594144001).

1101222020111 is an equidigital number, since it uses as much as digits as its factorization.

1101222020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594144000.

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

Adding to 1101222020111 its reverse (1110202221011), we get a palindrome (2211424241122).

The spelling of 1101222020111 in words is "one trillion, one hundred one billion, two hundred twenty-two million, twenty thousand, one hundred eleven".