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11100101012021 = 71585728716003
BaseRepresentation
bin1010000110000111000110…
…0100111110101000110101
31110022011022010100222000002
42201201301210332220311
52423331001324341041
635335152131401045
72223645564560450
oct241416144765065
943264263328002
1011100101012021
11359a58770791a
1212b3335453185
13626972b3cb08
142a5367bac497
15143b146e859b
hexa187193ea35

11100101012021 has 4 divisors (see below), whose sum is σ = 12685829728032. Its totient is φ = 9514372296012.

The previous prime is 11100101011999. The next prime is 11100101012029. The reversal of 11100101012021 is 12021010100111.

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 11100101012021 - 222 = 11100096817717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100101011993 and 11100101012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100101012029) 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, 792864357995 + ... + 792864358008.

It is an arithmetic number, because the mean of its divisors is an integer number (3171457432008).

Almost surely, 211100101012021 is an apocalyptic number.

It is an amenable number.

11100101012021 is a deficient number, since it is larger than the sum of its proper divisors (1585728716011).

11100101012021 is an equidigital number, since it uses as much as digits as its factorization.

11100101012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585728716010.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11100101012021 its reverse (12021010100111), we get a palindrome (23121111112132).

The spelling of 11100101012021 in words is "eleven trillion, one hundred billion, one hundred one million, twelve thousand, twenty-one".

Divisors: 1 7 1585728716003 11100101012021