Search a number
-
+
2011102222231 is a prime number
BaseRepresentation
bin11101010000111111000…
…010001001011110010111
321010021000011122011202001
4131100333002021132113
5230422214132102411
64135515420100131
7265203662556634
oct35207702113627
97107004564661
102011102222231
117059a3858763
12285922094647
131178526ccb3b
146d4a316d18b
15374a7a0edc1
hex1d43f089797

2011102222231 has 2 divisors, whose sum is σ = 2011102222232. Its totient is φ = 2011102222230.

The previous prime is 2011102222211. The next prime is 2011102222243. The reversal of 2011102222231 is 1322222011102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011102222231 - 237 = 1873663268759 is a prime.

It is a super-2 number, since 2×20111022222312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011102222199 and 2011102222208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011102222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005551111115 + 1005551111116.

It is an arithmetic number, because the mean of its divisors is an integer number (1005551111116).

Almost surely, 22011102222231 is an apocalyptic number.

2011102222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011102222231 is an equidigital number, since it uses as much as digits as its factorization.

2011102222231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2011102222231 its reverse (1322222011102), we get a palindrome (3333324233333).

The spelling of 2011102222231 in words is "two trillion, eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred thirty-one".