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22202112221111 = 157205368881991
BaseRepresentation
bin1010000110001010101010…
…00000110001111110110111
32220121111112101002222202202
411003011111000301332313
510402224411212033421
6115115302021255115
74451023016041004
oct503052500617667
986544471088682
1022202112221111
11708a9545a4aa9
1225a6b0256449b
13c5085b643944
1456a83353a8ab
152877db96610b
hex143155031fb7

22202112221111 has 8 divisors (see below), whose sum is σ = 22354410627744. Its totient is φ = 22049951582880.

The previous prime is 22202112221099. The next prime is 22202112221117. The reversal of 22202112221111 is 11112221120222.

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 22202112221111 - 230 = 22201038479287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202112221117) 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, 34118675 + ... + 34763316.

It is an arithmetic number, because the mean of its divisors is an integer number (2794301328468).

Almost surely, 222202112221111 is an apocalyptic number.

22202112221111 is a deficient number, since it is larger than the sum of its proper divisors (152298406633).

22202112221111 is a wasteful number, since it uses less digits than its factorization.

22202112221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68884201.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22202112221111 its reverse (11112221120222), we get a palindrome (33314333341333).

The spelling of 22202112221111 in words is "twenty-two trillion, two hundred two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 157 2053 322321 68881991 10814472587 141414727523 22202112221111