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121012110011222 = 260506055005611
BaseRepresentation
bin11011100000111101010011…
…110101001010101101010110
3120212110122102000022202210122
4123200331103311022231112
5111330130300130324342
61105212110150551542
734326556616266313
oct3340752365125526
9525418360282718
10121012110011222
1135615a4735a841
12116a4b5a9685b2
13526a515597511
1421c503596dd0a
15decc0911d4d2
hex6e0f53d4ab56

121012110011222 has 4 divisors (see below), whose sum is σ = 181518165016836. Its totient is φ = 60506055005610.

The previous prime is 121012110011159. The next prime is 121012110011321. The reversal of 121012110011222 is 222110011210121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121012110011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30253027502804 + ... + 30253027502807.

It is an arithmetic number, because the mean of its divisors is an integer number (45379541254209).

Almost surely, 2121012110011222 is an apocalyptic number.

121012110011222 is a deficient number, since it is larger than the sum of its proper divisors (60506055005614).

121012110011222 is an equidigital number, since it uses as much as digits as its factorization.

121012110011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60506055005613.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012110011222 its reverse (222110011210121), we get a palindrome (343122121221343).

The spelling of 121012110011222 in words is "one hundred twenty-one trillion, twelve billion, one hundred ten million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 60506055005611 121012110011222