22102121211001 has 16 divisors (see below), whose sum is σ = 23810209270848. Its totient is φ = 20395166500800.

The previous prime is 22102121210971. The next prime is 22102121211007. The reversal of 22102121211001 is 10011212120122.

It is not a de Polignac number, because 22102121211001 - 2⁹ = 22102121210489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22102121211007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600240171 + ... + 600276991.

It is an arithmetic number, because the mean of its divisors is an integer number (1488138079428).

Almost surely, 2^{22102121211001} is an apocalyptic number.

It is an amenable number.

22102121211001 is a deficient number, since it is larger than the sum of its proper divisors (1708088059847).

22102121211001 is a wasteful number, since it uses less digits than its factorization.

22102121211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50952.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22102121211001 its reverse (10011212120122), we get a palindrome (32113333331123).

The spelling of 22102121211001 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, two hundred eleven thousand, one".