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221200012110101 = 1513241145197641
BaseRepresentation
bin110010010010111000100100…
…001001010110100100010101
31002000012111220011120221010212
4302102320210021112210111
5212443120111100010401
62102241514355455205
764410113336101043
oct6222704411264425
91060174804527125
10221200012110101
1164532442188a22
12209860645b7505
1396570c150a74b
143c8a1cdc3d393
151a88dbec03dbb
hexc92e24256915

221200012110101 has 8 divisors (see below), whose sum is σ = 222671787820608. Its totient is φ = 219728326860000.

The previous prime is 221200012110083. The next prime is 221200012110107. The reversal of 221200012110101 is 101011210002122.

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 221200012110101 - 214 = 221200012093717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200012110107) 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, 17704760 + ... + 27492881.

It is an arithmetic number, because the mean of its divisors is an integer number (27833973477576).

Almost surely, 2221200012110101 is an apocalyptic number.

It is an amenable number.

221200012110101 is a deficient number, since it is larger than the sum of its proper divisors (1471775710507).

221200012110101 is a wasteful number, since it uses less digits than its factorization.

221200012110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45230203.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221200012110101 its reverse (101011210002122), we get a palindrome (322211222112223).

The spelling of 221200012110101 in words is "two hundred twenty-one trillion, two hundred billion, twelve million, one hundred ten thousand, one hundred one".

Divisors: 1 151 32411 4894061 45197641 6824843791 1464900742451 221200012110101