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221002022021219 = 1000723220842353
BaseRepresentation
bin110010010000000000001011…
…000001000110100001100011
31001222111120211220022022100222
4302100000023001012201203
5212431344120114134334
62102010532145033255
764356604062105155
oct6220001301064143
91058446756268328
10221002022021219
1164466481a1379a
122095380a02582b
13964152a725bba
143c807aaa76ad5
151a83b82e4dd2e
hexc9000b046863

221002022021219 has 4 divisors (see below), whose sum is σ = 221002243864296. Its totient is φ = 221001800178144.

The previous prime is 221002022021161. The next prime is 221002022021239. The reversal of 221002022021219 is 912120220200122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221002022021219 - 212 = 221002022017123 is a prime.

It is a super-2 number, since 2×2210020220212192 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221002022021239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109420454 + ... + 111421899.

It is an arithmetic number, because the mean of its divisors is an integer number (55250560966074).

Almost surely, 2221002022021219 is an apocalyptic number.

221002022021219 is a deficient number, since it is larger than the sum of its proper divisors (221843077).

221002022021219 is a wasteful number, since it uses less digits than its factorization.

221002022021219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221843076.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 221002022021219 in words is "two hundred twenty-one trillion, two billion, twenty-two million, twenty-one thousand, two hundred nineteen".

Divisors: 1 1000723 220842353 221002022021219