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10222111091 = 103571173807
BaseRepresentation
bin10011000010100100…
…10000100101110011
3222101101201001021002
421201102100211303
5131413330023331
64410155152215
7511212340103
oct114122204563
928341631232
1010222111091
11437612a3a5
121b9344566b
13c6ba16a5a
146cd85d203
153ec6339cb
hex261490973

10222111091 has 8 divisors (see below), whose sum is σ = 10339490304. Its totient is φ = 10105080840.

The previous prime is 10222111079. The next prime is 10222111111. The reversal of 10222111091 is 19011122201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10222111091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222111061) 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, 28091 + ... + 145716.

It is an arithmetic number, because the mean of its divisors is an integer number (1292436288).

Almost surely, 210222111091 is an apocalyptic number.

10222111091 is a deficient number, since it is larger than the sum of its proper divisors (117379213).

10222111091 is a wasteful number, since it uses less digits than its factorization.

10222111091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174481.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 10222111091 its reverse (19011122201), we get a palindrome (29233233292).

The spelling of 10222111091 in words is "ten billion, two hundred twenty-two million, one hundred eleven thousand, ninety-one".

Divisors: 1 103 571 58813 173807 17902121 99243797 10222111091