21122022111201 has 48 divisors (see below), whose sum is σ = 33358139305920. Its totient is φ = 12772403573760.

The previous prime is 21122022111199. The next prime is 21122022111209. The reversal of 21122022111201 is 10211122022112.

21122022111201 is a `hidden beast` number, since 2 + 11 + 220 + 221 + 11 + 201 = 666.

It is not a de Polignac number, because 21122022111201 - 2¹ = 21122022111199 is a prime.

It is a super-2 number, since 2×21122022111201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122022111209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547055785 + ... + 547094393.

It is an arithmetic number, because the mean of its divisors is an integer number (694961235540).

Almost surely, 2^{21122022111201} is an apocalyptic number.

It is an amenable number.

21122022111201 is a deficient number, since it is larger than the sum of its proper divisors (12236117194719).

21122022111201 is a wasteful number, since it uses less digits than its factorization.

21122022111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50926 (or 50923 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 21122022111201 its reverse (10211122022112), we get a palindrome (31333144133313).

The spelling of 21122022111201 in words is "twenty-one trillion, one hundred twenty-two billion, twenty-two million, one hundred eleven thousand, two hundred one".