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1112222212013 = 11101111110183
BaseRepresentation
bin10000001011110101100…
…111000001111110101101
310221022211200022110122202
4100023311213001332231
5121210312341241023
62210540421551245
7143232621546503
oct20136547017655
93838750273582
101112222212013
11399766496860
1215b680b75525
1380b60ca32a3
143bb9080a673
151dde89b7128
hex102f59c1fad

1112222212013 has 4 divisors (see below), whose sum is σ = 1213333322208. Its totient is φ = 1011111101820.

The previous prime is 1112222211953. The next prime is 1112222212033. The reversal of 1112222212013 is 3102122222111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112222212013 - 218 = 1112221949869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112222212033) 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, 50555555081 + ... + 50555555102.

It is an arithmetic number, because the mean of its divisors is an integer number (303333330552).

Almost surely, 21112222212013 is an apocalyptic number.

It is an amenable number.

1112222212013 is a deficient number, since it is larger than the sum of its proper divisors (101111110195).

1112222212013 is a wasteful number, since it uses less digits than its factorization.

1112222212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111110194.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1112222212013 its reverse (3102122222111), we get a palindrome (4214344434124).

The spelling of 1112222212013 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, thirteen".

Divisors: 1 11 101111110183 1112222212013