1122021213111 has 48 divisors (see below), whose sum is σ = 1732068000000. Its totient is φ = 698357237760.

The previous prime is 1122021213109. The next prime is 1122021213149. The reversal of 1122021213111 is 1113121202211.

It is a happy number.

1122021213111 is a `hidden beast` number, since 11 + 220 + 2 + 121 + 311 + 1 = 666.

It is not a de Polignac number, because 1122021213111 - 2¹ = 1122021213109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122021212111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10050145 + ... + 10161173.

It is an arithmetic number, because the mean of its divisors is an integer number (36084750000).

Almost surely, 2^{1122021213111} is an apocalyptic number.

1122021213111 is a deficient number, since it is larger than the sum of its proper divisors (610046786889).

1122021213111 is a wasteful number, since it uses less digits than its factorization.

1122021213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112344 (or 112341 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1122021213111 its reverse (1113121202211), we get a palindrome (2235142415322).

The spelling of 1122021213111 in words is "one trillion, one hundred twenty-two billion, twenty-one million, two hundred thirteen thousand, one hundred eleven".