Search a number
-
+
222221010102101 = 1749459264296167
BaseRepresentation
bin110010100001101111011100…
…010111100110011101010101
31002010211010021021102212112022
4302201233130113212131111
5213111332112041231401
62104342531150102525
764543636534612463
oct6241573427463525
91063733237385468
10222221010102101
1164896445a0500a
1220b0bb067aaa45
1396cc474b6710a
143cc37a8d15833
151aa5729b1c71b
hexca1bdc5e6755

222221010102101 has 8 divisors (see below), whose sum is σ = 235297592447040. Its totient is φ = 209144956448448.

The previous prime is 222221010102097. The next prime is 222221010102109. The reversal of 222221010102101 is 101201010122222.

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 222221010102101 - 22 = 222221010102097 is a prime.

It is a super-2 number, since 2×2222210101021012 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 222221010102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221010102109) 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, 131307281 + ... + 132988886.

It is an arithmetic number, because the mean of its divisors is an integer number (29412199055880).

Almost surely, 2222221010102101 is an apocalyptic number.

It is an amenable number.

222221010102101 is a deficient number, since it is larger than the sum of its proper divisors (13076582344939).

222221010102101 is a wasteful number, since it uses less digits than its factorization.

222221010102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264345643.

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

Adding to 222221010102101 its reverse (101201010122222), we get a palindrome (323422020224323).

The spelling of 222221010102101 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, ten million, one hundred two thousand, one hundred one".

Divisors: 1 17 49459 840803 264296167 4493034839 13071824123653 222221010102101