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11202001211 = 19158649221
BaseRepresentation
bin10100110111011000…
…01111100100111011
31001220200112121210202
422123230033210323
5140420203014321
65051321432415
7544411303442
oct123354174473
931820477722
1011202001211
114829268345
12220763b70b
131096a327ab
14783a53d59
1545869170b
hex29bb0f93b

11202001211 has 4 divisors (see below), whose sum is σ = 11260650624. Its totient is φ = 11143351800.

The previous prime is 11202001207. The next prime is 11202001219. The reversal of 11202001211 is 11210020211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11210020211 = 13862309247.

It is a cyclic number.

It is not a de Polignac number, because 11202001211 - 22 = 11202001207 is a prime.

It is a super-2 number, since 2×112020012112 (a number of 21 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 = 11202001192 and 11202001201.

It is not an unprimeable number, because it can be changed into a prime (11202001219) 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, 29324420 + ... + 29324801.

It is an arithmetic number, because the mean of its divisors is an integer number (2815162656).

Almost surely, 211202001211 is an apocalyptic number.

11202001211 is a deficient number, since it is larger than the sum of its proper divisors (58649413).

11202001211 is an equidigital number, since it uses as much as digits as its factorization.

11202001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58649412.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11202001211 its reverse (11210020211), we get a palindrome (22412021422).

The spelling of 11202001211 in words is "eleven billion, two hundred two million, one thousand, two hundred eleven".

Divisors: 1 191 58649221 11202001211