2221122202011 has 12 divisors (see below), whose sum is σ = 3318918233280. Its totient is φ = 1429687854000.

The previous prime is 2221122201989. The next prime is 2221122202037. The reversal of 2221122202011 is 1102022211222.

It is a happy number.

It is not a de Polignac number, because 2221122202011 - 2¹⁵ = 2221122169243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221122204011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4255023115 + ... + 4255023636.

It is an arithmetic number, because the mean of its divisors is an integer number (276576519440).

Almost surely, 2^{2221122202011} is an apocalyptic number.

2221122202011 is a deficient number, since it is larger than the sum of its proper divisors (1097796031269).

2221122202011 is a wasteful number, since it uses less digits than its factorization.

2221122202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510046786 (or 8510046783 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2221122202011 its reverse (1102022211222), we get a palindrome (3323144413233).

The spelling of 2221122202011 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, eleven".