22021210122 has 8 divisors (see below), whose sum is σ = 44042420256. Its totient is φ = 7340403372.

The previous prime is 22021210093. The next prime is 22021210129. The reversal of 22021210122 is 22101212022.

It is a sphenic number, since it is the product of 3 distinct primes.

22021210122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22021210129) 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, 1835100838 + ... + 1835100849.

It is an arithmetic number, because the mean of its divisors is an integer number (5505302532).

Almost surely, 2^22021210122 is an apocalyptic number.

22021210122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22021210122 is a wasteful number, since it uses less digits than its factorization.

22021210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670201692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22021210122 its reverse (22101212022), we get a palindrome (44122422144).

The spelling of 22021210122 in words is "twenty-two billion, twenty-one million, two hundred ten thousand, one hundred twenty-two".