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111002002220221 = 779200726947957
BaseRepresentation
bin11001001111010010101010…
…111010010110010010111101
3112120000200120101111112101121
4121033102222322112102331
5104022124100032021341
61032025341004510541
732244426044045410
oct3117225272262275
9476020511445347
10111002002220221
1132406759489842
1210548b21b4b451
1349c25a0310a98
141d5a75025db77
15cc763bb294d1
hex64f4aae964bd

111002002220221 has 8 divisors (see below), whose sum is σ = 128465246693120. Its totient is φ = 93940211643408.

The previous prime is 111002002220119. The next prime is 111002002220267. The reversal of 111002002220221 is 122022200200111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111002002220221 - 219 = 111002001695933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111002002220195 and 111002002220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002002220281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100363473426 + ... + 100363474531.

It is an arithmetic number, because the mean of its divisors is an integer number (16058155836640).

Almost surely, 2111002002220221 is an apocalyptic number.

It is an amenable number.

111002002220221 is a deficient number, since it is larger than the sum of its proper divisors (17463244472899).

111002002220221 is an equidigital number, since it uses as much as digits as its factorization.

111002002220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200726948043.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111002002220221 its reverse (122022200200111), we get a palindrome (233024202420332).

The spelling of 111002002220221 in words is "one hundred eleven trillion, two billion, two million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 79 553 200726947957 1405088635699 15857428888603 111002002220221