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1112021031001 = 8313397843747
BaseRepresentation
bin10000001011101001100…
…111100101100001011001
310221022022122202102012011
4100023221213211201121
5121204404340443001
62210504433545521
7143224626543106
oct20135147454131
93838278672164
101112021031001
11399672977561
1215b6257152a1
1380b2b3c457a
143bb71bdbaad
151ddd5ec7d51
hex102e99e5859

1112021031001 has 4 divisors (see below), whose sum is σ = 1125418874832. Its totient is φ = 1098623187172.

The previous prime is 1112021030999. The next prime is 1112021031089. The reversal of 1112021031001 is 1001301202111.

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 1112021031001 - 21 = 1112021030999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112021631001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6698921791 + ... + 6698921956.

It is an arithmetic number, because the mean of its divisors is an integer number (281354718708).

Almost surely, 21112021031001 is an apocalyptic number.

It is an amenable number.

1112021031001 is a deficient number, since it is larger than the sum of its proper divisors (13397843831).

1112021031001 is an equidigital number, since it uses as much as digits as its factorization.

1112021031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397843830.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1112021031001 its reverse (1001301202111), we get a palindrome (2113322233112).

The spelling of 1112021031001 in words is "one trillion, one hundred twelve billion, twenty-one million, thirty-one thousand, one".

Divisors: 1 83 13397843747 1112021031001