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222101221212023 = 4394911329777491
BaseRepresentation
bin110010011111111111111000…
…011001001111111101110111
31002010101200001222111202101212
4302133333320121033331313
5213102401300112241043
62104211520434312035
764532166211056056
oct6237777031177567
91063350058452355
10222101221212023
116484a6652309aa
1220ab085572861b
1396c1094626b7a
143cbba83a4439d
151aa2568468018
hexc9fff864ff77

222101221212023 has 16 divisors (see below), whose sum is σ = 223080175591680. Its totient is φ = 221124496924800.

The previous prime is 222101221211981. The next prime is 222101221212037. The reversal of 222101221212023 is 320212122101222.

It is a cyclic number.

It is not a de Polignac number, because 222101221212023 - 216 = 222101221146487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222101221212023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101221212043) 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, 2866116308 + ... + 2866193798.

It is an arithmetic number, because the mean of its divisors is an integer number (13942510974480).

Almost surely, 2222101221212023 is an apocalyptic number.

222101221212023 is a deficient number, since it is larger than the sum of its proper divisors (978954379657).

222101221212023 is a wasteful number, since it uses less digits than its factorization.

222101221212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91718.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 222101221212023 its reverse (320212122101222), we get a palindrome (542313343313245).

The spelling of 222101221212023 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred twelve thousand, twenty-three".

Divisors: 1 439 491 13297 77491 215549 5837383 6528827 34018549 38048081 1030397827 2866155053 16703107559 452344646053 505925333057 222101221212023