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1122222012231 = 31741536691541
BaseRepresentation
bin10000010101001001101…
…001001111011101000111
310222021122120200221201210
4100111021221033131013
5121341302313342411
62215313000222503
7144035464500135
oct20251151173507
93867576627653
101122222012231
113a2a28084761
121615b1a6aa33
1381a95920838
143c45c91a755
151e2d1835ca6
hex10549a4f747

1122222012231 has 16 divisors (see below), whose sum is σ = 1622955223008. Its totient is φ = 686965171200.

The previous prime is 1122222012217. The next prime is 1122222012239. The reversal of 1122222012231 is 1322102222211.

It is not a de Polignac number, because 1122222012231 - 25 = 1122222012199 is a prime.

It is a super-2 number, since 2×11222220122312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122222012198 and 1122222012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122222012239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268343680 + ... + 268347861.

It is an arithmetic number, because the mean of its divisors is an integer number (101434701438).

Almost surely, 21122222012231 is an apocalyptic number.

1122222012231 is a deficient number, since it is larger than the sum of its proper divisors (500733210777).

1122222012231 is a wasteful number, since it uses less digits than its factorization.

1122222012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536691602.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1122222012231 its reverse (1322102222211), we get a palindrome (2444324234442).

The spelling of 1122222012231 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred thirty-one".

Divisors: 1 3 17 41 51 123 697 2091 536691541 1610074623 9123756197 22004353181 27371268591 66013059543 374074004077 1122222012231