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BaseRepresentation
bin1010000110101111110100…
…0000001001101111101101
31110100012111210101022101020
42201223331000021233231
52424020342201244041
635344200424004353
72224513453402512
oct241537500115755
943305453338336
1011111030103021
1135a4185913732
1212b54856006b9
136279c516ac74
142a5ac34a1309
15144053e2c866
hexa1afd009bed

11111030103021 has 32 divisors (see below), whose sum is σ = 15224936200320. Its totient is φ = 7204928569344.

The previous prime is 11111030103011. The next prime is 11111030103031. The reversal of 11111030103021 is 12030103011111.

Adding to 11111030103021 its reverse (12030103011111), we get a palindrome (23141133114132).

It is an interprime number because it is at equal distance from previous prime (11111030103011) and next prime (11111030103031).

It is not a de Polignac number, because 11111030103021 - 227 = 11110895885293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111030103011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70193661 + ... + 70351773.

It is an arithmetic number, because the mean of its divisors is an integer number (475779256260).

Almost surely, 211111030103021 is an apocalyptic number.

It is an amenable number.

11111030103021 is a deficient number, since it is larger than the sum of its proper divisors (4113906097299).

11111030103021 is a wasteful number, since it uses less digits than its factorization.

11111030103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162365.

The product of its (nonzero) digits is 18, while the sum is 15.

The spelling of 11111030103021 in words is "eleven trillion, one hundred eleven billion, thirty million, one hundred three thousand, twenty-one".