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1112201211001 = 9225112056251
BaseRepresentation
bin10000001011110100010…
…110111010110001111001
310221022210012210111200111
4100023310112322301321
5121210242002223001
62210534351504321
7143232245211166
oct20136426726171
93838705714614
101112201211001
11399755652451
1215b675b280a1
1380b5982c35a
143bb8bb0106d
151dde6c19851
hex102f45bac79

1112201211001 has 4 divisors (see below), whose sum is σ = 1112213359504. Its totient is φ = 1112189062500.

The previous prime is 1112201210983. The next prime is 1112201211007. The reversal of 1112201211001 is 1001121022111.

It is a happy number.

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 1112201211001 - 223 = 1112192822393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112201211007) 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, 5935875 + ... + 6120376.

It is an arithmetic number, because the mean of its divisors is an integer number (278053339876).

Almost surely, 21112201211001 is an apocalyptic number.

It is an amenable number.

1112201211001 is a deficient number, since it is larger than the sum of its proper divisors (12148503).

1112201211001 is an equidigital number, since it uses as much as digits as its factorization.

1112201211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12148502.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112201211001 its reverse (1001121022111), we get a palindrome (2113322233112).

The spelling of 1112201211001 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred eleven thousand, one".

Divisors: 1 92251 12056251 1112201211001