22001210211 has 16 divisors (see below), whose sum is σ = 31437690624. Its totient is φ = 13650573024.

The previous prime is 22001210171. The next prime is 22001210239. The reversal of 22001210211 is 11201210022.

It is not a de Polignac number, because 22001210211 - 2¹⁰ = 22001209187 is a prime.

It is a super-2 number, since 2×22001210211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22001210111) 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, 4306341 + ... + 4311446.

It is an arithmetic number, because the mean of its divisors is an integer number (1964855664).

Almost surely, 2^22001210211 is an apocalyptic number.

22001210211 is a deficient number, since it is larger than the sum of its proper divisors (9436480413).

22001210211 is a wasteful number, since it uses less digits than its factorization.

22001210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617850.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001210211 its reverse (11201210022), we get a palindrome (33202420233).

The spelling of 22001210211 in words is "twenty-two billion, one million, two hundred ten thousand, two hundred eleven".