2221122213011 has 4 divisors (see below), whose sum is σ = 2391977767872. Its totient is φ = 2050266658152.

The previous prime is 2221122213001. The next prime is 2221122213017. The reversal of 2221122213011 is 1103122211222.

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 2221122213011 - 2³⁰ = 2220048471187 is a prime.

It is a super-2 number, since 2×2221122213011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221122213017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85427777411 + ... + 85427777436.

It is an arithmetic number, because the mean of its divisors is an integer number (597994441968).

Almost surely, 2^{2221122213011} is an apocalyptic number.

2221122213011 is a deficient number, since it is larger than the sum of its proper divisors (170855554861).

2221122213011 is a wasteful number, since it uses less digits than its factorization.

2221122213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170855554860.

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

Adding to 2221122213011 its reverse (1103122211222), we get a palindrome (3324244424233).

The spelling of 2221122213011 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred thirteen thousand, eleven".