22001222202011 has 16 divisors (see below), whose sum is σ = 24107481347040. Its totient is φ = 19956153980160.

The previous prime is 22001222201953. The next prime is 22001222202013. The reversal of 22001222202011 is 11020222210022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22001222202011 - 2¹⁸ = 22001221939867 is a prime.

It is a super-3 number, since 3×22001222202011³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22001222202013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42836885 + ... + 43347446.

It is an arithmetic number, because the mean of its divisors is an integer number (1506717584190).

Almost surely, 2^{22001222202011} is an apocalyptic number.

22001222202011 is a deficient number, since it is larger than the sum of its proper divisors (2106259145029).

22001222202011 is a wasteful number, since it uses less digits than its factorization.

22001222202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86184686.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22001222202011 its reverse (11020222210022), we get a palindrome (33021444412033).

The spelling of 22001222202011 in words is "twenty-two trillion, one billion, two hundred twenty-two million, two hundred two thousand, eleven".