22401012061 has 2 divisors, whose sum is σ = 22401012062. Its totient is φ = 22401012060.

The previous prime is 22401012059. The next prime is 22401012079. The reversal of 22401012061 is 16021010422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22400809561 + 202500 = 149669^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 22401012061 - 2¹ = 22401012059 is a prime.

Together with 22401012059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22401012091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200506030 + 11200506031.

It is an arithmetic number, because the mean of its divisors is an integer number (11200506031).

Almost surely, 2^22401012061 is an apocalyptic number.

It is an amenable number.

22401012061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22401012061 is an equidigital number, since it uses as much as digits as its factorization.

22401012061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22401012061 its reverse (16021010422), we get a palindrome (38422022483).

The spelling of 22401012061 in words is "twenty-two billion, four hundred one million, twelve thousand, sixty-one".