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221000202211001 = 11631626291168463
BaseRepresentation
bin110010001111111110011110…
…100011000100111010111001
31001222111102011002000101001112
4302033332132203010322321
5212431331403231223001
62102010031420130105
764356511014012053
oct6217763643047271
91058442132011045
10221000202211001
1164465728759404
12209533a0696935
1396412ca6bac15
143c806770c48d3
151a83ac82d0cbb
hexc8ff9e8c4eb9

221000202211001 has 8 divisors (see below), whose sum is σ = 221191777572480. Its totient is φ = 220808629514032.

The previous prime is 221000202210989. The next prime is 221000202211111. The reversal of 221000202211001 is 100112202000122.

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 221000202211001 - 226 = 221000135102137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221000202211301) 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, 188553296 + ... + 189721758.

It is an arithmetic number, because the mean of its divisors is an integer number (27648972196560).

Almost surely, 2221000202211001 is an apocalyptic number.

It is an amenable number.

221000202211001 is a deficient number, since it is larger than the sum of its proper divisors (191575361479).

221000202211001 is a wasteful number, since it uses less digits than its factorization.

221000202211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332255.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221000202211001 its reverse (100112202000122), we get a palindrome (321112404211123).

The spelling of 221000202211001 in words is "two hundred twenty-one trillion, two hundred two million, two hundred eleven thousand, one".

Divisors: 1 1163 162629 1168463 189137527 1358922469 190025969227 221000202211001