1122021132311 has 4 divisors (see below), whose sum is σ = 1123053351552. Its totient is φ = 1120988913072.

The previous prime is 1122021132277. The next prime is 1122021132313. The reversal of 1122021132311 is 1132311202211.

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 1122021132311 - 2³⁰ = 1120947390487 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 (1122021132313) 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, 516107990 + ... + 516110163.

It is an arithmetic number, because the mean of its divisors is an integer number (280763337888).

Almost surely, 2^{1122021132311} is an apocalyptic number.

1122021132311 is a deficient number, since it is larger than the sum of its proper divisors (1032219241).

1122021132311 is a wasteful number, since it uses less digits than its factorization.

1122021132311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032219240.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1122021132311 its reverse (1132311202211), we get a palindrome (2254332334522).

The spelling of 1122021132311 in words is "one trillion, one hundred twenty-two billion, twenty-one million, one hundred thirty-two thousand, three hundred eleven".