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11210010122221 = 18190361626307
BaseRepresentation
bin1010001100100000100010…
…1010111101011111101101
31110200122222212202021000021
42203020020222331133231
52432131100042402341
635501450233202141
72234616333601201
oct243101052753755
943618885667007
1011210010122221
113632158519099
1213106a9860351
1363413a565a71
142aa7d2c92b01
151468e883a9d1
hexa3208abd7ed

11210010122221 has 4 divisors (see below), whose sum is σ = 11210071930432. Its totient is φ = 11209948314012.

The previous prime is 11210010122167. The next prime is 11210010122237. The reversal of 11210010122221 is 12222101001211.

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 11210010122221 - 27 = 11210010122093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210010122195 and 11210010122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210010128221) 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 3 ways as a sum of consecutive naturals, for example, 30631251 + ... + 30995056.

It is an arithmetic number, because the mean of its divisors is an integer number (2802517982608).

Almost surely, 211210010122221 is an apocalyptic number.

It is an amenable number.

11210010122221 is a deficient number, since it is larger than the sum of its proper divisors (61808211).

11210010122221 is an equidigital number, since it uses as much as digits as its factorization.

11210010122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61808210.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11210010122221 its reverse (12222101001211), we get a palindrome (23432111123432).

The spelling of 11210010122221 in words is "eleven trillion, two hundred ten billion, ten million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 181903 61626307 11210010122221