22011012011971 has 2 divisors, whose sum is σ = 22011012011972. Its totient is φ = 22011012011970.

The previous prime is 22011012011927. The next prime is 22011012012029. The reversal of 22011012011971 is 17911021011022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011012011971 is a prime.

It is a super-2 number, since 2×22011012011971² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22011012011371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005506005985 + 11005506005986.

It is an arithmetic number, because the mean of its divisors is an integer number (11005506005986).

Almost surely, 2^{22011012011971} is an apocalyptic number.

22011012011971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011012011971 is an equidigital number, since it uses as much as digits as its factorization.

22011012011971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 28.

Adding to 22011012011971 its reverse (17911021011022), we get a palindrome (39922033022993).

The spelling of 22011012011971 in words is "twenty-two trillion, eleven billion, twelve million, eleven thousand, nine hundred seventy-one".