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121112411222 = 2115505109601
BaseRepresentation
bin111000011001011011…
…1001011110001010110
3102120121112100221211002
41300302313023301112
53441014234124342
6131345511143302
711515164336545
oct1606267136126
9376545327732
10121112411222
11473aa887140
121b580374b32
13b5617c226a
145c0cd9615c
15323c98dd32
hex1c32dcbc56

121112411222 has 8 divisors (see below), whose sum is σ = 198183945672. Its totient is φ = 55051096000.

The previous prime is 121112411221. The next prime is 121112411249. The reversal of 121112411222 is 222114211121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121112411194 and 121112411203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112411221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752554779 + ... + 2752554822.

It is an arithmetic number, because the mean of its divisors is an integer number (24772993209).

Almost surely, 2121112411222 is an apocalyptic number.

121112411222 is a deficient number, since it is larger than the sum of its proper divisors (77071534450).

121112411222 is a wasteful number, since it uses less digits than its factorization.

121112411222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505109614.

The product of its digits is 128, while the sum is 20.

Adding to 121112411222 its reverse (222114211121), we get a palindrome (343226622343).

The spelling of 121112411222 in words is "one hundred twenty-one billion, one hundred twelve million, four hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 11 22 5505109601 11010219202 60556205611 121112411222