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121102012222 = 2139435618749
BaseRepresentation
bin111000011001000111…
…1100000111100111110
3102120120210210122001221
41300302033200330332
53441004103342342
6131344500223554
711515010056012
oct1606217407476
9376523718057
10121102012222
11473a4a24224
121b57899abba
13b55c5c0bc9
145c0b84a542
15323bad7a67
hex1c323e0f3e

121102012222 has 8 divisors (see below), whose sum is σ = 182959875000. Its totient is φ = 60115387224.

The previous prime is 121102012219. The next prime is 121102012279. The reversal of 121102012222 is 222210201121.

It is a happy number.

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 = 121102012196 and 121102012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217809097 + ... + 217809652.

It is an arithmetic number, because the mean of its divisors is an integer number (22869984375).

Almost surely, 2121102012222 is an apocalyptic number.

121102012222 is a deficient number, since it is larger than the sum of its proper divisors (61857862778).

121102012222 is a wasteful number, since it uses less digits than its factorization.

121102012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435618890.

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

Adding to 121102012222 its reverse (222210201121), we get a palindrome (343312213343).

The spelling of 121102012222 in words is "one hundred twenty-one billion, one hundred two million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 139 278 435618749 871237498 60551006111 121102012222