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11202212100021 = 3137191142701521
BaseRepresentation
bin1010001100000011011111…
…0111110111011110110101
31110122220212102101200120020
42203000313313313132311
52432014112244200041
635454120350355353
72234222154523455
oct243006767673665
943586772350506
1011202212100021
113629916764648
12130b0921bbb59
13633496b20247
142aa293363d65
151465dde3a866
hexa3037df77b5

11202212100021 has 16 divisors (see below), whose sum is σ = 15124078107648. Its totient is φ = 7374814553600.

The previous prime is 11202212099999. The next prime is 11202212100059. The reversal of 11202212100021 is 12000121220211.

It is a cyclic number.

It is not a de Polignac number, because 11202212100021 - 214 = 11202212083637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202212100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71272260 + ... + 71429261.

It is an arithmetic number, because the mean of its divisors is an integer number (945254881728).

Almost surely, 211202212100021 is an apocalyptic number.

It is an amenable number.

11202212100021 is a deficient number, since it is larger than the sum of its proper divisors (3921866007627).

11202212100021 is a wasteful number, since it uses less digits than its factorization.

11202212100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142701852.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11202212100021 its reverse (12000121220211), we get a palindrome (23202333320232).

The spelling of 11202212100021 in words is "eleven trillion, two hundred two billion, two hundred twelve million, one hundred thousand, twenty-one".

Divisors: 1 3 137 191 411 573 26167 78501 142701521 428104563 19550108377 27255990511 58650325131 81767971533 3734070700007 11202212100021