Search a number
-
+
1002021211101 = 31986320370011
BaseRepresentation
bin11101001010011010001…
…11100100101111011101
310112210101120200120212110
432211031013210233131
5112404114412223401
62044153332024233
7132252006522531
oct16451507445735
93483346616773
101002021211101
11356a5593a799
12142246a62079
137364ac5b641
14366d8a63bc1
151b0e8e189d6
hexe94d1e4bdd

1002021211101 has 16 divisors (see below), whose sum is σ = 1407975229440. Its totient is φ = 632122150320.

The previous prime is 1002021211069. The next prime is 1002021211117. The reversal of 1002021211101 is 1011121202001.

It is not a de Polignac number, because 1002021211101 - 25 = 1002021211069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002021216101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10135815 + ... + 10234196.

It is an arithmetic number, because the mean of its divisors is an integer number (87998451840).

Almost surely, 21002021211101 is an apocalyptic number.

It is an amenable number.

1002021211101 is a deficient number, since it is larger than the sum of its proper divisors (405954018339).

1002021211101 is a wasteful number, since it uses less digits than its factorization.

1002021211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370896.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1002021211101 its reverse (1011121202001), we get a palindrome (2013142413102).

The spelling of 1002021211101 in words is "one trillion, two billion, twenty-one million, two hundred eleven thousand, one hundred one".

Divisors: 1 3 19 57 863 2589 16397 49191 20370011 61110033 387030209 1161090627 17579319493 52737958479 334007070367 1002021211101