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1222102200121 = 11176535305883
BaseRepresentation
bin10001110010001010111…
…101111010111100111001
311022211110101220012122221
4101302022331322330321
5130010331130400441
62333232003244041
7154202555206165
oct21621275727471
94284411805587
101222102200121
11431321917190
12178a27679621
138b322670a2a
1443215aadca5
1521bca2a58d1
hex11c8af7af39

1222102200121 has 8 divisors (see below), whose sum is σ = 1411626070944. Its totient is φ = 1045648941120.

The previous prime is 1222102200107. The next prime is 1222102200203. The reversal of 1222102200121 is 1210022012221.

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 1222102200121 - 25 = 1222102200089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222102200095 and 1222102200104.

It is not an unprimeable number, because it can be changed into a prime (1222102204121) 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, 3267652755 + ... + 3267653128.

It is an arithmetic number, because the mean of its divisors is an integer number (176453258868).

Almost surely, 21222102200121 is an apocalyptic number.

1222102200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222102200121 is a deficient number, since it is larger than the sum of its proper divisors (189523870823).

1222102200121 is a wasteful number, since it uses less digits than its factorization.

1222102200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535305911.

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

Adding to 1222102200121 its reverse (1210022012221), we get a palindrome (2432124212342).

The spelling of 1222102200121 in words is "one trillion, two hundred twenty-two billion, one hundred two million, two hundred thousand, one hundred twenty-one".

Divisors: 1 11 17 187 6535305883 71888364713 111100200011 1222102200121