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1110212113021 = 11100928373911
BaseRepresentation
bin10000001001111101110…
…011000111001001111101
310221010122120221212012221
4100021331303013021331
5121142203300104041
62210005134325341
7143132043153544
oct20117563071175
93833576855187
101110212113021
11398924881720
1215b1bb959851
13809007012bb
143ba3d88315b
151dd2c2ac2d1
hex1027dcc727d

1110212113021 has 4 divisors (see below), whose sum is σ = 1211140486944. Its totient is φ = 1009283739100.

The previous prime is 1110212113009. The next prime is 1110212113051. The reversal of 1110212113021 is 1203112120111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1110212113021 - 221 = 1110210015869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110212112986 and 1110212113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110212113051) 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, 50464186945 + ... + 50464186966.

It is an arithmetic number, because the mean of its divisors is an integer number (302785121736).

Almost surely, 21110212113021 is an apocalyptic number.

1110212113021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110212113021 is a deficient number, since it is larger than the sum of its proper divisors (100928373923).

1110212113021 is a wasteful number, since it uses less digits than its factorization.

1110212113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100928373922.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1110212113021 its reverse (1203112120111), we get a palindrome (2313324233132).

The spelling of 1110212113021 in words is "one trillion, one hundred ten billion, two hundred twelve million, one hundred thirteen thousand, twenty-one".

Divisors: 1 11 100928373911 1110212113021