22221212102101 has 8 divisors (see below), whose sum is σ = 23529092315904. Its totient is φ = 20913415231680.

The previous prime is 22221212102093. The next prime is 22221212102119. The reversal of 22221212102101 is 10120121212222.

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 22221212102101 - 2³ = 22221212102093 is a prime.

It is a super-2 number, since 2×22221212102101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221212109101) 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, 20286495 + ... + 21353788.

It is an arithmetic number, because the mean of its divisors is an integer number (2941136539488).

Almost surely, 2^{22221212102101} is an apocalyptic number.

It is an amenable number.

22221212102101 is a deficient number, since it is larger than the sum of its proper divisors (1307880213803).

22221212102101 is a wasteful number, since it uses less digits than its factorization.

22221212102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41671691.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22221212102101 its reverse (10120121212222), we get a palindrome (32341333314323).

The spelling of 22221212102101 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred two thousand, one hundred one".