22212202120101 has 72 divisors (see below), whose sum is σ = 39353147982720. Its totient is φ = 12004370429184.

The previous prime is 22212202120093. The next prime is 22212202120117. The reversal of 22212202120101 is 10102120221222.

It is a happy number.

22212202120101 is a `hidden beast` number, since 2 + 221 + 220 + 2 + 120 + 101 = 666.

It is not a de Polignac number, because 22212202120101 - 2³ = 22212202120093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212202120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2733556 + ... + 7203938.

It is an arithmetic number, because the mean of its divisors is an integer number (546571499760).

Almost surely, 2^{22212202120101} is an apocalyptic number.

22212202120101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22212202120101 is a deficient number, since it is larger than the sum of its proper divisors (17140945862619).

22212202120101 is a wasteful number, since it uses less digits than its factorization.

22212202120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471015 (or 4471005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212202120101 its reverse (10102120221222), we get a palindrome (32314322341323).

The spelling of 22212202120101 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, one hundred twenty thousand, one hundred one".