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1112201200001 = 1543720804407
BaseRepresentation
bin10000001011110100010…
…110111000000110000001
310221022210012202221121002
4100023310112320012001
5121210242001400001
62210534351341345
7143232245134133
oct20136426700601
93838705687532
101112201200001
11399755645161
1215b675b21855
1380b59827348
143bb8badb053
151dde6c1646b
hex102f45b8181

1112201200001 has 4 divisors (see below), whose sum is σ = 1112922005952. Its totient is φ = 1111480394052.

The previous prime is 1112201199947. The next prime is 1112201200003. The reversal of 1112201200001 is 1000021022111.

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 1112201200001 - 222 = 1112197005697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112201200003) 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, 360400661 + ... + 360403746.

It is an arithmetic number, because the mean of its divisors is an integer number (278230501488).

Almost surely, 21112201200001 is an apocalyptic number.

It is an amenable number.

1112201200001 is a deficient number, since it is larger than the sum of its proper divisors (720805951).

1112201200001 is an equidigital number, since it uses as much as digits as its factorization.

1112201200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720805950.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1112201200001 its reverse (1000021022111), we get a palindrome (2112222222112).

The spelling of 1112201200001 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred thousand, one".

Divisors: 1 1543 720804407 1112201200001