Search a number
-
+
1112221211201 = 25731113915463
BaseRepresentation
bin10000001011110101100…
…011001101101001000001
310221022211121102121210122
4100023311203031221001
5121210312112224301
62210540344310025
7143232610210622
oct20136543155101
93838747377718
101112221211201
11399765972941
1215b680772315
1380b60a128a9
143bb90629a49
151dde886a81b
hex102f58cda41

1112221211201 has 8 divisors (see below), whose sum is σ = 1120139190144. Its totient is φ = 1104331064320.

The previous prime is 1112221211173. The next prime is 1112221211203. The reversal of 1112221211201 is 1021121222111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112221211201 - 218 = 1112220949057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112221211201.

It is not an unprimeable number, because it can be changed into a prime (1112221211203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6877805 + ... + 7037658.

It is an arithmetic number, because the mean of its divisors is an integer number (140017398768).

Almost surely, 21112221211201 is an apocalyptic number.

It is an amenable number.

1112221211201 is a deficient number, since it is larger than the sum of its proper divisors (7917978943).

1112221211201 is a wasteful number, since it uses less digits than its factorization.

1112221211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13916031.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1112221211201 its reverse (1021121222111), we get a palindrome (2133342433312).

The spelling of 1112221211201 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, two hundred one".

Divisors: 1 257 311 79927 13915463 3576273991 4327708993 1112221211201