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22111230120031 = 131700863855387
BaseRepresentation
bin1010000011100001011000…
…00001000101000001011111
32220021210221122101220110001
411001300230001011001133
510344232244402320111
6115005431530355131
74441324615654123
oct501605401050137
986253848356401
1022111230120031
117055357a67358
12259137a28baa7
13c45106b53c80
14566291421583
1528526ce461c1
hex141c2c04505f

22111230120031 has 4 divisors (see below), whose sum is σ = 23812093975432. Its totient is φ = 20410366264632.

The previous prime is 22111230120011. The next prime is 22111230120047. The reversal of 22111230120031 is 13002103211122.

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 22111230120031 - 227 = 22111095902303 is a prime.

It is a super-2 number, since 2×221112301200312 (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 = 22111230119990 and 22111230120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111230120011) 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, 850431927681 + ... + 850431927706.

It is an arithmetic number, because the mean of its divisors is an integer number (5953023493858).

Almost surely, 222111230120031 is an apocalyptic number.

22111230120031 is a deficient number, since it is larger than the sum of its proper divisors (1700863855401).

22111230120031 is a wasteful number, since it uses less digits than its factorization.

22111230120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700863855400.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22111230120031 its reverse (13002103211122), we get a palindrome (35113333331153).

The spelling of 22111230120031 in words is "twenty-two trillion, one hundred eleven billion, two hundred thirty million, one hundred twenty thousand, thirty-one".

Divisors: 1 13 1700863855387 22111230120031