2221122022116 has 24 divisors (see below), whose sum is σ = 5205249577920. Its totient is φ = 737140932192.

The previous prime is 2221122022103. The next prime is 2221122022117. The reversal of 2221122022116 is 6112202211222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2221122022117) 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, 404131536 + ... + 404137031.

It is an arithmetic number, because the mean of its divisors is an integer number (216885399080).

Almost surely, 2^{2221122022116} is an apocalyptic number.

It is an amenable number.

2221122022116 is an abundant number, since it is smaller than the sum of its proper divisors (2984127555804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221122022116 is a wasteful number, since it uses less digits than its factorization.

2221122022116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808268803 (or 808268801 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2221122022116 its reverse (6112202211222), we get a palindrome (8333324233338).

The spelling of 2221122022116 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred sixteen".