22102212120001 has 8 divisors (see below), whose sum is σ = 23831094456680. Its totient is φ = 20377431522432.

The previous prime is 22102212119983. The next prime is 22102212120029. The reversal of 22102212120001 is 10002121220122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4978141880625 + 17124070239376 = 2231175^2 + 4138124^2 .

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 22102212120001 - 2¹⁵ = 22102212087233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102212120041) 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, 1025423580 + ... + 1025445133.

It is an arithmetic number, because the mean of its divisors is an integer number (2978886807085).

Almost surely, 2^{22102212120001} is an apocalyptic number.

It is an amenable number.

22102212120001 is a deficient number, since it is larger than the sum of its proper divisors (1728882336679).

22102212120001 is a wasteful number, since it uses less digits than its factorization.

22102212120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050869555.

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

Adding to 22102212120001 its reverse (10002121220122), we get a palindrome (32104333340123).

The spelling of 22102212120001 in words is "twenty-two trillion, one hundred two billion, two hundred twelve million, one hundred twenty thousand, one".