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21202211201113 = 631135613247771
BaseRepresentation
bin1001101001000100001100…
…10001000110000001011001
32210001220121112221021022201
410310202012101012001121
510234334112031413423
6113032054504250201
74315544362435255
oct464420621060131
983056545837281
1021202211201113
116834897534268
122465169770961
13baa48aa22567
1453429a2db265
1526b7b8c522ad
hex134886446059

21202211201113 has 8 divisors (see below), whose sum is σ = 21236054469056. Its totient is φ = 21168368701200.

The previous prime is 21202211201063. The next prime is 21202211201183. The reversal of 21202211201113 is 31110211220212.

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 21202211201113 - 221 = 21202209103961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202211201183) 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, 85447918 + ... + 85695688.

It is an arithmetic number, because the mean of its divisors is an integer number (2654506808632).

Almost surely, 221202211201113 is an apocalyptic number.

It is an amenable number.

21202211201113 is a deficient number, since it is larger than the sum of its proper divisors (33843267943).

21202211201113 is a wasteful number, since it uses less digits than its factorization.

21202211201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384015.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 21202211201113 its reverse (31110211220212), we get a palindrome (52312422421325).

The spelling of 21202211201113 in words is "twenty-one trillion, two hundred two billion, two hundred eleven million, two hundred one thousand, one hundred thirteen".

Divisors: 1 631 135613 247771 85571803 156343501 33600968623 21202211201113