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1110010113221 = 1993556954397
BaseRepresentation
bin10000001001110001110…
…000100010110011000101
310221010010111212012120212
4100021301300202303011
5121141300042110341
62205533121005205
7143124041200052
oct20116160426305
93833114765525
101110010113221
11398830853239
1215b164183805
138089a8c69a9
143ba20b00029
151dd196aa5eb
hex10271c22cc5

1110010113221 has 4 divisors (see below), whose sum is σ = 1110567069612. Its totient is φ = 1109453156832.

The previous prime is 1110010113209. The next prime is 1110010113239. The reversal of 1110010113221 is 1223110100111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 293779176196 + 816230937025 = 542014^2 + 903455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110010113221 - 218 = 1110009851077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110010113196 and 1110010113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110010113521) 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, 278475206 + ... + 278479191.

It is an arithmetic number, because the mean of its divisors is an integer number (277641767403).

Almost surely, 21110010113221 is an apocalyptic number.

It is an amenable number.

1110010113221 is a deficient number, since it is larger than the sum of its proper divisors (556956391).

1110010113221 is an equidigital number, since it uses as much as digits as its factorization.

1110010113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556956390.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1110010113221 its reverse (1223110100111), we get a palindrome (2333120213332).

The spelling of 1110010113221 in words is "one trillion, one hundred ten billion, ten million, one hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 1993 556954397 1110010113221