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1201020112201 = 71313198023211
BaseRepresentation
bin10001011110100010011…
…000001000110101001001
311020211001011020011211211
4101132202120020311021
5124134142122042301
62315424021053121
7152525253341050
oct21364230106511
94224034204754
101201020112201
114233935a7528
121749232571a1
1389342a473b0
14421b5bcd397
1521394541051
hex117a2608d49

1201020112201 has 8 divisors (see below), whose sum is σ = 1478178599744. Its totient is φ = 950257671120.

The previous prime is 1201020112189. The next prime is 1201020112211. The reversal of 1201020112201 is 1022110201021.

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 1201020112201 - 29 = 1201020111689 is a prime.

It is a super-2 number, since 2×12010201122012 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1201020112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6599011515 + ... + 6599011696.

It is an arithmetic number, because the mean of its divisors is an integer number (184772324968).

Almost surely, 21201020112201 is an apocalyptic number.

It is an amenable number.

1201020112201 is a deficient number, since it is larger than the sum of its proper divisors (277158487543).

1201020112201 is a wasteful number, since it uses less digits than its factorization.

1201020112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198023231.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201020112201 its reverse (1022110201021), we get a palindrome (2223130313222).

The spelling of 1201020112201 in words is "one trillion, two hundred one billion, twenty million, one hundred twelve thousand, two hundred one".

Divisors: 1 7 13 91 13198023211 92386162477 171574301743 1201020112201