Search a number
-
+
222221010101 = 379637392003
BaseRepresentation
bin1100111011110101100…
…1111000010010110101
3210020120222000221211112
43032331121320102311
512120102034310401
6250030435244405
722024562264006
oct3167531702265
9706528027745
10222221010101
1186274a6aa62
1237099449705
1317c55ba356c
14aa813531ad
155ba91ac3bb
hex33bd6784b5

222221010101 has 8 divisors (see below), whose sum is σ = 222844728480. Its totient is φ = 221597489232.

The previous prime is 222221010097. The next prime is 222221010131. The reversal of 222221010101 is 101010122222.

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 222221010101 - 22 = 222221010097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221010131) 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, 2369366 + ... + 2461368.

It is an arithmetic number, because the mean of its divisors is an integer number (27855591060).

Almost surely, 2222221010101 is an apocalyptic number.

It is an amenable number.

222221010101 is a deficient number, since it is larger than the sum of its proper divisors (623718379).

222221010101 is an equidigital number, since it uses as much as digits as its factorization.

222221010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98755.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222221010101 its reverse (101010122222), we get a palindrome (323231132323).

It can be divided in two parts, 22222 and 1010101, that multiplied together give a palindrome (22446464422).

The spelling of 222221010101 in words is "two hundred twenty-two billion, two hundred twenty-one million, ten thousand, one hundred one".

Divisors: 1 379 6373 92003 2415367 34869137 586335119 222221010101