22022121201102 has 72 divisors (see below), whose sum is σ = 53666311090392. Its totient is φ = 6518175380640.

The previous prime is 22022121201053. The next prime is 22022121201103. The reversal of 22022121201102 is 20110212122022.

It is a happy number.

22022121201102 is a `hidden beast` number, since 220 + 2 + 212 + 120 + 110 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022121201103) 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 35 ways as a sum of consecutive naturals, for example, 117478053 + ... + 117665360.

It is an arithmetic number, because the mean of its divisors is an integer number (745365431811).

Almost surely, 2^{22022121201102} is an apocalyptic number.

22022121201102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22022121201102 is an abundant number, since it is smaller than the sum of its proper divisors (31644189889290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022121201102 is a wasteful number, since it uses less digits than its factorization.

22022121201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235143486 (or 235143472 counting only the distinct ones).

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

Adding to 22022121201102 its reverse (20110212122022), we get a palindrome (42132333323124).

The spelling of 22022121201102 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-one million, two hundred one thousand, one hundred two".