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11012210231 = 111001110021
BaseRepresentation
bin10100100000110000…
…01111111000110111
31001102110102020112012
422100120033320313
5140023111211411
65020421514435
7536615146121
oct122030177067
931373366465
1011012210231
1147411185a0
122173b72a1b
131066611239
1476676c211
15446ba218b
hex29060fe37

11012210231 has 4 divisors (see below), whose sum is σ = 12013320264. Its totient is φ = 10011100200.

The previous prime is 11012210221. The next prime is 11012210243. The reversal of 11012210231 is 13201221011.

11012210231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11012210231 - 214 = 11012193847 is a prime.

It is a super-2 number, since 2×110122102312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012210201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500555000 + ... + 500555021.

It is an arithmetic number, because the mean of its divisors is an integer number (3003330066).

Almost surely, 211012210231 is an apocalyptic number.

11012210231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012210231 is a deficient number, since it is larger than the sum of its proper divisors (1001110033).

11012210231 is a wasteful number, since it uses less digits than its factorization.

11012210231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001110032.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11012210231 its reverse (13201221011), we get a palindrome (24213431242).

The spelling of 11012210231 in words is "eleven billion, twelve million, two hundred ten thousand, two hundred thirty-one".

Divisors: 1 11 1001110021 11012210231