22012010121001 has 2 divisors, whose sum is σ = 22012010121002. Its totient is φ = 22012010121000.

The previous prime is 22012010120827. The next prime is 22012010121019. The reversal of 22012010121001 is 10012101021022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14717964960000 + 7294045161001 = 3836400^2 + 2700749^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012010121001 - 2²³ = 22012001732393 is a prime.

It is a super-2 number, since 2×22012010121001² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22012010121901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006005060500 + 11006005060501.

It is an arithmetic number, because the mean of its divisors is an integer number (11006005060501).

Almost surely, 2^{22012010121001} is an apocalyptic number.

It is an amenable number.

22012010121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012010121001 is an equidigital number, since it uses as much as digits as its factorization.

22012010121001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22012010121001 its reverse (10012101021022), we get a palindrome (32024111142023).

The spelling of 22012010121001 in words is "twenty-two trillion, twelve billion, ten million, one hundred twenty-one thousand, one".