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10221110111231 = 192647203231267
BaseRepresentation
bin1001010010111100100110…
…1000110010101111111111
31100012010110201220200220022
42110233021220302233333
52314430313142024411
633423302502042355
72103310431313145
oct224571150625777
940163421820808
1010221110111231
113290826215238
121190b051193bb
13591b00b33376
142749c0b07595
1512ad1b814edb
hex94bc9a32bff

10221110111231 has 8 divisors (see below), whose sum is σ = 10763127953280. Its totient is φ = 9679498737048.

The previous prime is 10221110111213. The next prime is 10221110111257. The reversal of 10221110111231 is 13211101112201.

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 10221110111231 - 226 = 10221043002367 is a prime.

It is a super-2 number, since 2×102211101112312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221110111731) 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, 101565341 + ... + 101665926.

It is an arithmetic number, because the mean of its divisors is an integer number (1345390994160).

Almost surely, 210221110111231 is an apocalyptic number.

10221110111231 is a deficient number, since it is larger than the sum of its proper divisors (542017842049).

10221110111231 is a wasteful number, since it uses less digits than its factorization.

10221110111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203233933.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 10221110111231 its reverse (13211101112201), we get a palindrome (23432211223432).

The spelling of 10221110111231 in words is "ten trillion, two hundred twenty-one billion, one hundred ten million, one hundred eleven thousand, two hundred thirty-one".

Divisors: 1 19 2647 50293 203231267 3861394073 537953163749 10221110111231