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121010221000222 = 21391505712890919
BaseRepresentation
bin11011100000111011100011…
…001111001010011000011110
3120212110110112100211001212021
4123200323203033022120132
5111330112413034001342
61105211154510530354
734326462041045521
oct3340734317123036
9525413470731767
10121010221000222
113561516802a924
12116a47122069ba
13526a2a4110728
1421c4cd6b26bb8
15decb48381567
hex6e0ee33ca61e

121010221000222 has 16 divisors (see below), whose sum is σ = 182822474620800. Its totient is φ = 60069402209880.

The previous prime is 121010221000211. The next prime is 121010221000243. The reversal of 121010221000222 is 222000122010121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121010221000196 and 121010221000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40413279 + ... + 43304197.

It is an arithmetic number, because the mean of its divisors is an integer number (11426404663800).

Almost surely, 2121010221000222 is an apocalyptic number.

121010221000222 is a deficient number, since it is larger than the sum of its proper divisors (61812253620578).

121010221000222 is a wasteful number, since it uses less digits than its factorization.

121010221000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041631.

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

Adding to 121010221000222 its reverse (222000122010121), we get a palindrome (343010343010343).

The spelling of 121010221000222 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 139 278 150571 301142 2890919 5781838 20929369 41858738 401837741 803675482 435288564749 870577129498 60505110500111 121010221000222