Search a number
-
+
22112202200101 = 131700938630777
BaseRepresentation
bin1010000011100011001011…
…11101010001010000100101
32220021220110101112200121121
411001301211331101100211
510344241242230400401
6115010112213413541
74441360661341606
oct501614575212045
986256411480547
1022112202200101
117055806750512
1225915ab93a2b1
13c45230366b90
14566344581dad
152852c845eca1
hex141c65f51425

22112202200101 has 4 divisors (see below), whose sum is σ = 23813140830892. Its totient is φ = 20411263569312.

The previous prime is 22112202200059. The next prime is 22112202200159. The reversal of 22112202200101 is 10100220221122.

It is a happy number.

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 12743864721025 + 9368337479076 = 3569855^2 + 3060774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22112202200101 is a prime.

It is a super-2 number, since 2×221122022001012 (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 (22112202200161) 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, 850469315376 + ... + 850469315401.

It is an arithmetic number, because the mean of its divisors is an integer number (5953285207723).

Almost surely, 222112202200101 is an apocalyptic number.

It is an amenable number.

22112202200101 is a deficient number, since it is larger than the sum of its proper divisors (1700938630791).

22112202200101 is a wasteful number, since it uses less digits than its factorization.

22112202200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700938630790.

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

Adding to 22112202200101 its reverse (10100220221122), we get a palindrome (32212422421223).

The spelling of 22112202200101 in words is "twenty-two trillion, one hundred twelve billion, two hundred two million, two hundred thousand, one hundred one".

Divisors: 1 13 1700938630777 22112202200101