22101212102101 has 4 divisors (see below), whose sum is σ = 24110413202304. Its totient is φ = 20092011001900.

The previous prime is 22101212102093. The next prime is 22101212102111. The reversal of 22101212102101 is 10120121210122.

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 22101212102101 - 2³ = 22101212102093 is a prime.

It is a super-2 number, since 2×22101212102101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101212102111) 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, 1004600550085 + ... + 1004600550106.

It is an arithmetic number, because the mean of its divisors is an integer number (6027603300576).

Almost surely, 2^{22101212102101} is an apocalyptic number.

It is an amenable number.

22101212102101 is a deficient number, since it is larger than the sum of its proper divisors (2009201100203).

22101212102101 is a wasteful number, since it uses less digits than its factorization.

22101212102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009201100202.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22101212102101 its reverse (10120121210122), we get a palindrome (32221333312223).

The spelling of 22101212102101 in words is "twenty-two trillion, one hundred one billion, two hundred twelve million, one hundred two thousand, one hundred one".