22010001221211 has 16 divisors (see below), whose sum is σ = 29827961022240. Its totient is φ = 14432691006720.

The previous prime is 22010001221207. The next prime is 22010001221291. The reversal of 22010001221211 is 11212210001022.

It is not a de Polignac number, because 22010001221211 - 2² = 22010001221207 is a prime.

It is a super-2 number, since 2×22010001221211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22010001221291) 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, 35910535 + ... + 36518303.

It is an arithmetic number, because the mean of its divisors is an integer number (1864247563890).

Almost surely, 2^{22010001221211} is an apocalyptic number.

22010001221211 is a deficient number, since it is larger than the sum of its proper divisors (7817959801029).

22010001221211 is a wasteful number, since it uses less digits than its factorization.

22010001221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805726.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22010001221211 its reverse (11212210001022), we get a palindrome (33222211222233).

The spelling of 22010001221211 in words is "twenty-two trillion, ten billion, one million, two hundred twenty-one thousand, two hundred eleven".