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1110200111221 = 2383757361519
BaseRepresentation
bin10000001001111101000…
…101010101000001110101
310221010121202101002211211
4100021331011111001311
5121142142212024341
62210004025201421
7143131536146065
oct20117505250165
93833552332754
101110200111221
11398919024583
1215b1b7930271
13808cb08b546
143ba3c03b3a5
151dd2b1db181
hex1027d155075

1110200111221 has 8 divisors (see below), whose sum is σ = 1110830712320. Its totient is φ = 1109569653072.

The previous prime is 1110200111197. The next prime is 1110200111233. The reversal of 1110200111221 is 1221110020111.

It is a happy number.

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 1110200111221 - 29 = 1110200110709 is a prime.

It is a super-2 number, since 2×11102001112212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110200111821) 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, 18015700 + ... + 18077218.

It is an arithmetic number, because the mean of its divisors is an integer number (138853839040).

Almost surely, 21110200111221 is an apocalyptic number.

It is an amenable number.

1110200111221 is a deficient number, since it is larger than the sum of its proper divisors (630601099).

1110200111221 is an equidigital number, since it uses as much as digits as its factorization.

1110200111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71475.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110200111221 its reverse (1221110020111), we get a palindrome (2331310131332).

The spelling of 1110200111221 in words is "one trillion, one hundred ten billion, two hundred million, one hundred eleven thousand, two hundred twenty-one".

Divisors: 1 2383 7573 61519 18046459 146599777 465883387 1110200111221