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10222120111 = 71785900169
BaseRepresentation
bin10011000010100100…
…10010110010101111
3222101101201111122011
421201102102302233
5131413330320421
64410155302051
7511212405310
oct114122226257
928341644564
1010222120111
114376136155
121b9344a927
13c6ba1aba8
146cd862607
153ec6364e1
hex261492caf

10222120111 has 8 divisors (see below), whose sum is σ = 12369624480. Its totient is φ = 8246416128.

The previous prime is 10222120109. The next prime is 10222120127. The reversal of 10222120111 is 11102122201.

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 10222120111 - 21 = 10222120109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222120091 and 10222120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222121111) 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, 42949966 + ... + 42950203.

It is an arithmetic number, because the mean of its divisors is an integer number (1546203060).

Almost surely, 210222120111 is an apocalyptic number.

10222120111 is a deficient number, since it is larger than the sum of its proper divisors (2147504369).

10222120111 is an equidigital number, since it uses as much as digits as its factorization.

10222120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85900193.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10222120111 its reverse (11102122201), we get a palindrome (21324242312).

The spelling of 10222120111 in words is "ten billion, two hundred twenty-two million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 7 17 119 85900169 601301183 1460302873 10222120111