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10112211221231 = 760115559154487
BaseRepresentation
bin1001001100100110111011…
…0000011111101011101111
31022210201101101102220111002
42103021232300133223233
52311134302033034411
633301252524550515
72062404010111010
oct223115660375357
938721341386432
1010112211221231
113249623678399
1211739930b243b
135847677b5452
1426d60dc71007
1512809622233b
hex9326ec1faef

10112211221231 has 16 divisors (see below), whose sum is σ = 11576861076480. Its totient is φ = 8652575476800.

The previous prime is 10112211221209. The next prime is 10112211221279. The reversal of 10112211221231 is 13212211221101.

It is a cyclic number.

It is not a de Polignac number, because 10112211221231 - 210 = 10112211220207 is a prime.

It is a super-2 number, since 2×101122112212312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112211221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65379470 + ... + 65533956.

It is an arithmetic number, because the mean of its divisors is an integer number (723553817280).

Almost surely, 210112211221231 is an apocalyptic number.

10112211221231 is a deficient number, since it is larger than the sum of its proper divisors (1464649855249).

10112211221231 is a wasteful number, since it uses less digits than its factorization.

10112211221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170654.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 10112211221231 its reverse (13212211221101), we get a palindrome (23324422442332).

The spelling of 10112211221231 in words is "ten trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 7 601 4207 15559 108913 154487 1081409 9350959 65456713 92846687 649926809 2403663233 16825642631 1444601603033 10112211221231