Search a number
-
+
12101000222011 = 21757556188823
BaseRepresentation
bin1011000000010111101111…
…0100011101010100111011
31120211211210111210222200211
42300011323310131110323
53041230322024101021
641423042303211551
72356161031515121
oct260057364352473
946754714728624
1012101000222011
113946007175568
1214353085a6bb7
1369a1724b656c
142db997807911
1515eb94d823e1
hexb017bd1d53b

12101000222011 has 4 divisors (see below), whose sum is σ = 12101556432592. Its totient is φ = 12100444011432.

The previous prime is 12101000222009. The next prime is 12101000222093. The reversal of 12101000222011 is 11022200010121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12101000222011 - 21 = 12101000222009 is a prime.

It is a super-2 number, since 2×121010002220112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101000221982 and 12101000222000.

It is not an unprimeable number, because it can be changed into a prime (12101000222911) 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, 278072655 + ... + 278116168.

It is an arithmetic number, because the mean of its divisors is an integer number (3025389108148).

Almost surely, 212101000222011 is an apocalyptic number.

12101000222011 is a deficient number, since it is larger than the sum of its proper divisors (556210581).

12101000222011 is an equidigital number, since it uses as much as digits as its factorization.

12101000222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556210580.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12101000222011 its reverse (11022200010121), we get a palindrome (23123200232132).

The spelling of 12101000222011 in words is "twelve trillion, one hundred one billion, two hundred twenty-two thousand, eleven".

Divisors: 1 21757 556188823 12101000222011