22211222020101 has 24 divisors (see below), whose sum is σ = 32134759918560. Its totient is φ = 14783549641056.

The previous prime is 22211222020093. The next prime is 22211222020109. The reversal of 22211222020101 is 10102022211222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22211222020093) and next prime (22211222020109).

It is not a de Polignac number, because 22211222020101 - 2³ = 22211222020093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211222020109) 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, 17695551 + ... + 18909123.

It is an arithmetic number, because the mean of its divisors is an integer number (1338948329940).

Almost surely, 2^{22211222020101} is an apocalyptic number.

It is an amenable number.

22211222020101 is a deficient number, since it is larger than the sum of its proper divisors (9923537898459).

22211222020101 is a wasteful number, since it uses less digits than its factorization.

22211222020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216865 (or 1216862 counting only the distinct ones).

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

Adding to 22211222020101 its reverse (10102022211222), we get a palindrome (32313244231323).

The spelling of 22211222020101 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, twenty thousand, one hundred one".