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1112222022001 = 1607816917621
BaseRepresentation
bin10000001011110101100…
…110010011100101110001
310221022211122221211000021
4100023311212103211301
5121210312314201001
62210540413523441
7143232620125516
oct20136546234561
93838748854007
101112222022001
11399766377022
1215b680aa3581
1380b60c3795c
143bb9079b30d
151dde897aba1
hex102f5993971

1112222022001 has 4 divisors (see below), whose sum is σ = 1112229100404. Its totient is φ = 1112214943600.

The previous prime is 1112222021969. The next prime is 1112222022007. The reversal of 1112222022001 is 1002202222111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 588879738225 + 523342283776 = 767385^2 + 723424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112222022001 - 25 = 1112222021969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112222022007) 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, 3298030 + ... + 3619591.

It is an arithmetic number, because the mean of its divisors is an integer number (278057275101).

Almost surely, 21112222022001 is an apocalyptic number.

It is an amenable number.

1112222022001 is a deficient number, since it is larger than the sum of its proper divisors (7078403).

1112222022001 is an equidigital number, since it uses as much as digits as its factorization.

1112222022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078402.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1112222022001 its reverse (1002202222111), we get a palindrome (2114424244112).

The spelling of 1112222022001 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one".

Divisors: 1 160781 6917621 1112222022001