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2112211002021 = 31116163083087
BaseRepresentation
bin11110101111001001100…
…101100010001010100101
321110220222121122100220220
4132233021211202022211
5234101302004031041
64254200352114553
7305413362166401
oct36571145421245
97426877570826
102112211002021
1174486905549a
122a143b235a59
13124246b455a3
1474335576101
1539e24266d66
hex1ebc99622a5

2112211002021 has 8 divisors (see below), whose sum is σ = 2816533713024. Its totient is φ = 1408014479520.

The previous prime is 2112211002007. The next prime is 2112211002053. The reversal of 2112211002021 is 1202001122112.

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

It is not a de Polignac number, because 2112211002021 - 214 = 2112210985637 is a prime.

It is a super-3 number, since 3×21122110020213 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112211002001) 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, 31508061 + ... + 31575026.

It is an arithmetic number, because the mean of its divisors is an integer number (352066714128).

Almost surely, 22112211002021 is an apocalyptic number.

It is an amenable number.

2112211002021 is a deficient number, since it is larger than the sum of its proper divisors (704322711003).

2112211002021 is a wasteful number, since it uses less digits than its factorization.

2112211002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63094251.

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

Adding to 2112211002021 its reverse (1202001122112), we get a palindrome (3314212124133).

The spelling of 2112211002021 in words is "two trillion, one hundred twelve billion, two hundred eleven million, two thousand, twenty-one".

Divisors: 1 3 11161 33483 63083087 189249261 704070334007 2112211002021