22101211220001 has 32 divisors (see below), whose sum is σ = 30780881904000. Its totient is φ = 14091474355200.

The previous prime is 22101211219991. The next prime is 22101211220003. The reversal of 22101211220001 is 10002211210122.

It is not a de Polignac number, because 22101211220001 - 2⁶ = 22101211219937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101211220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64671225 + ... + 65012073.

It is an arithmetic number, because the mean of its divisors is an integer number (961902559500).

Almost surely, 2^{22101211220001} is an apocalyptic number.

It is an amenable number.

22101211220001 is a deficient number, since it is larger than the sum of its proper divisors (8679670683999).

22101211220001 is a wasteful number, since it uses less digits than its factorization.

22101211220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350849.

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

Adding to 22101211220001 its reverse (10002211210122), we get a palindrome (32103422430123).

The spelling of 22101211220001 in words is "twenty-two trillion, one hundred one billion, two hundred eleven million, two hundred twenty thousand, one".