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212211112001 = 7231318081441
BaseRepresentation
bin1100010110100011000…
…1001001100001000001
3202021202100122110001212
43011220301021201001
511434102021041001
6241253300335505
721221534455430
oct3055061114101
9667670573055
10212211112001
1181aa87053a9
12351650a4595
131701c12ba35
14a3b1b75117
1557c04e67bb
hex3168c49841

212211112001 has 8 divisors (see below), whose sum is σ = 253071636864. Its totient is φ = 173986750080.

The previous prime is 212211111991. The next prime is 212211112007. The reversal of 212211112001 is 100211112212.

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 212211112001 - 214 = 212211095617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211112007) 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, 659040560 + ... + 659040881.

It is an arithmetic number, because the mean of its divisors is an integer number (31633954608).

Almost surely, 2212211112001 is an apocalyptic number.

It is an amenable number.

212211112001 is a deficient number, since it is larger than the sum of its proper divisors (40860524863).

212211112001 is a wasteful number, since it uses less digits than its factorization.

212211112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318081471.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212211112001 its reverse (100211112212), we get a palindrome (312422224213).

The spelling of 212211112001 in words is "two hundred twelve billion, two hundred eleven million, one hundred twelve thousand, one".

Divisors: 1 7 23 161 1318081441 9226570087 30315873143 212211112001