22212201201101 has 4 divisors (see below), whose sum is σ = 23518801271772. Its totient is φ = 20905601130432.

The previous prime is 22212201201097. The next prime is 22212201201143. The reversal of 22212201201101 is 10110210221222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6344932777225 + 15867268423876 = 2518915^2 + 3983374^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212201201101 - 2² = 22212201201097 is a prime.

It is a super-2 number, since 2×22212201201101² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1306600070653 = 22212201201101 / (2 + 2 + 2 + 1 + 2 + 2 + 0 + 1 + 2 + 0 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212201201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212201206101) 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, 653300035310 + ... + 653300035343.

It is an arithmetic number, because the mean of its divisors is an integer number (5879700317943).

Almost surely, 2^{22212201201101} is an apocalyptic number.

It is an amenable number.

22212201201101 is a deficient number, since it is larger than the sum of its proper divisors (1306600070671).

22212201201101 is a wasteful number, since it uses less digits than its factorization.

22212201201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306600070670.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212201201101 its reverse (10110210221222), we get a palindrome (32322411422323).

The spelling of 22212201201101 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, two hundred one thousand, one hundred one".