1121012222111 has 8 divisors (see below), whose sum is σ = 1207455025920. Its totient is φ = 1037313634392.

The previous prime is 1121012222093. The next prime is 1121012222119. The reversal of 1121012222111 is 1112222101211.

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 1121012222111 - 2⁶ = 1121012222047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121012222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012222119) 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, 686053175 + ... + 686054808.

It is an arithmetic number, because the mean of its divisors is an integer number (150931878240).

Almost surely, 2^{1121012222111} is an apocalyptic number.

1121012222111 is a deficient number, since it is larger than the sum of its proper divisors (86442803809).

1121012222111 is a wasteful number, since it uses less digits than its factorization.

1121012222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372108045.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121012222111 its reverse (1112222101211), we get a palindrome (2233234323322).

The spelling of 1121012222111 in words is "one trillion, one hundred twenty-one billion, twelve million, two hundred twenty-two thousand, one hundred eleven".