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1100222020121 = 72931039174613
BaseRepresentation
bin10000000000101010010…
…101111011101000011001
310220011212100211120002012
4100000222111323220121
5121011223314120441
62201233544115305
7142326345603350
oct20005225735031
93804770746065
101100222020121
11394668713aa4
12159292165b35
137c99aaa2323
143b372b7c997
151d9452099eb
hex1002a57ba19

1100222020121 has 16 divisors (see below), whose sum is σ = 1300804454400. Its totient is φ = 910494019008.

The previous prime is 1100222020111. The next prime is 1100222020169. The reversal of 1100222020121 is 1210202220011.

It is not a de Polignac number, because 1100222020121 - 218 = 1100221757977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100222020096 and 1100222020105.

It is not an unprimeable number, because it can be changed into a prime (1100222020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6213611 + ... + 6388223.

It is an arithmetic number, because the mean of its divisors is an integer number (81300278400).

Almost surely, 21100222020121 is an apocalyptic number.

It is an amenable number.

1100222020121 is a deficient number, since it is larger than the sum of its proper divisors (200582434279).

1100222020121 is a wasteful number, since it uses less digits than its factorization.

1100222020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205688.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1100222020121 its reverse (1210202220011), we get a palindrome (2310424240132).

The spelling of 1100222020121 in words is "one trillion, one hundred billion, two hundred twenty-two million, twenty thousand, one hundred twenty-one".

Divisors: 1 7 29 203 31039 174613 217273 900131 1222291 5063777 6300917 35446439 5419812907 37938690349 157174574303 1100222020121