22021343101 has 8 divisors (see below), whose sum is σ = 22251591000. Its totient is φ = 21792194880.

The previous prime is 22021343093. The next prime is 22021343107. The reversal of 22021343101 is 10134312022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2561372100 + 19459971001 = 50610^2 + 139499^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22021343101 - 2³ = 22021343093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021343107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234630 + ... + 314791.

It is an arithmetic number, because the mean of its divisors is an integer number (2781448875).

Almost surely, 2^22021343101 is an apocalyptic number.

It is an amenable number.

22021343101 is a deficient number, since it is larger than the sum of its proper divisors (230247899).

22021343101 is a wasteful number, since it uses less digits than its factorization.

22021343101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549839.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22021343101 its reverse (10134312022), we get a palindrome (32155655123).

The spelling of 22021343101 in words is "twenty-two billion, twenty-one million, three hundred forty-three thousand, one hundred one".