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222112102011121 = 7231379578273361
BaseRepresentation
bin110010100000001010000000…
…111100001101000011110001
31002010102201011021122121202001
4302200022000330031003301
5213103041041103323441
62104220520243454001
764533032642246320
oct6240120074150361
91063381137577661
10222112102011121
1164854239153353
1220ab2991687301
1396c210994722a
143cbc3d6b660b7
151aa29a380d731
hexca0280f0d0f1

222112102011121 has 8 divisors (see below), whose sum is σ = 264879028485504. Its totient is φ = 182104332083520.

The previous prime is 222112102011113. The next prime is 222112102011169. The reversal of 222112102011121 is 121110201211222.

It is a happy number.

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

It is not a de Polignac number, because 222112102011121 - 23 = 222112102011113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112102011101) 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, 689789136520 + ... + 689789136841.

It is an arithmetic number, because the mean of its divisors is an integer number (33109878560688).

Almost surely, 2222112102011121 is an apocalyptic number.

It is an amenable number.

222112102011121 is a deficient number, since it is larger than the sum of its proper divisors (42766926474383).

222112102011121 is a wasteful number, since it uses less digits than its factorization.

222112102011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379578273391.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222112102011121 its reverse (121110201211222), we get a palindrome (343222303222343).

The spelling of 222112102011121 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, eleven thousand, one hundred twenty-one".

Divisors: 1 7 23 161 1379578273361 9657047913527 31730300287303 222112102011121