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12101021122222 = 2192281113960279
BaseRepresentation
bin1011000000010111110100…
…0100001011111010101110
31120211211211222010211101201
42300011331010023322232
53041230342401402342
641423044331200114
72356161404253514
oct260057504137256
946754758124351
1012101021122222
113946017a5016a
1214353135a603a
1369a176923656
142db99a4c84b4
1515eb96b0edb7
hexb017d10beae

12101021122222 has 16 divisors (see below), whose sum is σ = 19107714441600. Its totient is φ = 5731810941240.

The previous prime is 12101021122217. The next prime is 12101021122261. The reversal of 12101021122222 is 22222112010121.

12101021122222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12101021122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6113322 + ... + 7846957.

It is an arithmetic number, because the mean of its divisors is an integer number (1194232152600).

Almost surely, 212101021122222 is an apocalyptic number.

12101021122222 is a deficient number, since it is larger than the sum of its proper divisors (7006693319378).

12101021122222 is a wasteful number, since it uses less digits than its factorization.

12101021122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13983111.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12101021122222 its reverse (22222112010121), we get a palindrome (34323133132343).

The spelling of 12101021122222 in words is "twelve trillion, one hundred one billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 19 38 22811 45622 433409 866818 13960279 27920558 265245301 530490602 318447924269 636895848538 6050510561111 12101021122222