Search a number
-
+
202201112221201 = 712847902989031
BaseRepresentation
bin101101111110011010011101…
…011101111001011000010001
3222111221020102011121021200201
4231332122131131321120101
5203000330334212034301
61554013524131215201
760406356025433152
oct5576323535713021
9874836364537621
10202201112221201
1159478012527605
121a817b1b447501
1388a96383b1972
1437d082c195929
151859aace8d201
hexb7e69d779611

202201112221201 has 4 divisors (see below), whose sum is σ = 205049015210304. Its totient is φ = 199353209232100.

The previous prime is 202201112221151. The next prime is 202201112221219. The reversal of 202201112221201 is 102122211102202.

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 202201112221201 - 215 = 202201112188433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201115221201) 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, 1423951494445 + ... + 1423951494586.

It is an arithmetic number, because the mean of its divisors is an integer number (51262253802576).

Almost surely, 2202201112221201 is an apocalyptic number.

It is an amenable number.

202201112221201 is a deficient number, since it is larger than the sum of its proper divisors (2847902989103).

202201112221201 is an equidigital number, since it uses as much as digits as its factorization.

202201112221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847902989102.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202201112221201 its reverse (102122211102202), we get a palindrome (304323323323403).

The spelling of 202201112221201 in words is "two hundred two trillion, two hundred one billion, one hundred twelve million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 71 2847902989031 202201112221201