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1021213322311 = 71311222124421
BaseRepresentation
bin11101101110001010000…
…11101010110001000111
310121121221010000212001011
432313011003222301013
5113212421102303221
62101050001343051
7133531422005530
oct16670503526107
93547833025034
101021213322311
1136410432aa26
12145b02337a87
13753b9150770
14375d9929687
151b86dca01e1
hexedc50eac47

1021213322311 has 8 divisors (see below), whose sum is σ = 1256877935264. Its totient is φ = 807992958240.

The previous prime is 1021213322299. The next prime is 1021213322321. The reversal of 1021213322311 is 1132233121201.

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

It is not a de Polignac number, because 1021213322311 - 25 = 1021213322279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021213322321) 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, 5611062120 + ... + 5611062301.

It is an arithmetic number, because the mean of its divisors is an integer number (157109741908).

Almost surely, 21021213322311 is an apocalyptic number.

1021213322311 is a deficient number, since it is larger than the sum of its proper divisors (235664612953).

1021213322311 is a wasteful number, since it uses less digits than its factorization.

1021213322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222124441.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1021213322311 its reverse (1132233121201), we get a palindrome (2153446443512).

The spelling of 1021213322311 in words is "one trillion, twenty-one billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred eleven".

Divisors: 1 7 13 91 11222124421 78554870947 145887617473 1021213322311