22210210012021 has 4 divisors (see below), whose sum is σ = 22216106009952. Its totient is φ = 22204314014092.

The previous prime is 22210210011949. The next prime is 22210210012031. The reversal of 22210210012021 is 12021001201222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22210210012021 - 2¹¹ = 22210210009973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22210210011986 and 22210210012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210210012031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947993315 + ... + 2948000848.

It is an arithmetic number, because the mean of its divisors is an integer number (5554026502488).

Almost surely, 2^{22210210012021} is an apocalyptic number.

It is an amenable number.

22210210012021 is a deficient number, since it is larger than the sum of its proper divisors (5895997931).

22210210012021 is an equidigital number, since it uses as much as digits as its factorization.

22210210012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895997930.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22210210012021 its reverse (12021001201222), we get a palindrome (34231211213243).

The spelling of 22210210012021 in words is "twenty-two trillion, two hundred ten billion, two hundred ten million, twelve thousand, twenty-one".