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2212102011021 = 37365512881951
BaseRepresentation
bin100000001100001011100…
…011011111100010001101
321211110211012012101121220
4200030023203133202031
5242220341103323041
64412120423113553
7315550643565030
oct40141343374215
97743735171556
102212102011021
11783168a08a91
122b88785a28b9
131307a5bb3cc6
14790cdd45017
153c81db22d66
hex2030b8df88d

2212102011021 has 16 divisors (see below), whose sum is σ = 3370915504128. Its totient is φ = 1264023270000.

The previous prime is 2212102011001. The next prime is 2212102011037. The reversal of 2212102011021 is 1201102012122.

It is not a de Polignac number, because 2212102011021 - 211 = 2212102008973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212102011001) 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 15 ways as a sum of consecutive naturals, for example, 673405 + ... + 2208546.

It is an arithmetic number, because the mean of its divisors is an integer number (210682219008).

Almost surely, 22212102011021 is an apocalyptic number.

2212102011021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2212102011021 is a deficient number, since it is larger than the sum of its proper divisors (1158813493107).

2212102011021 is a wasteful number, since it uses less digits than its factorization.

2212102011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918512.

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

Adding to 2212102011021 its reverse (1201102012122), we get a palindrome (3413204023143).

The spelling of 2212102011021 in words is "two trillion, two hundred twelve billion, one hundred two million, eleven thousand, twenty-one".

Divisors: 1 3 7 21 36551 109653 255857 767571 2881951 8645853 20173657 60520971 105338191001 316014573003 737367337007 2212102011021