22210212121101 has 24 divisors (see below), whose sum is σ = 33506931737760. Its totient is φ = 14162443996896.

The previous prime is 22210212121073. The next prime is 22210212121117. The reversal of 22210212121101 is 10112121201222.

22210212121101 is a `hidden beast` number, since 22 + 210 + 212 + 121 + 101 = 666.

It is not a de Polignac number, because 22210212121101 - 2³¹ = 22208064637453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210212121171) 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 23 ways as a sum of consecutive naturals, for example, 565211995 + ... + 565251288.

It is an arithmetic number, because the mean of its divisors is an integer number (1396122155740).

Almost surely, 2^{22210212121101} is an apocalyptic number.

It is an amenable number.

22210212121101 is a deficient number, since it is larger than the sum of its proper divisors (11296719616659).

22210212121101 is a wasteful number, since it uses less digits than its factorization.

22210212121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130463385 (or 1130463382 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22210212121101 its reverse (10112121201222), we get a palindrome (32322333322323).

The spelling of 22210212121101 in words is "twenty-two trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred one".