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121022121102222 = 23109031849981979
BaseRepresentation
bin11011100001000110101000…
…100010011100101110001110
3120212111121020200221212220210
4123201012220202130232032
5111330311301000232342
61105220443411223250
734330362660203454
oct3341065042345616
9525447220855823
10121022121102222
113561a21435a66a
12116a6a935a7b26
13526b44c668cc2
1421c570537c9d4
15ded0e2e6c79c
hex6e11a889cb8e

121022121102222 has 16 divisors (see below), whose sum is σ = 242066442119040. Its totient is φ = 40337007048312.

The previous prime is 121022121102151. The next prime is 121022121102251. The reversal of 121022121102222 is 222201121220121.

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, 924925572 + ... + 925056407.

It is an arithmetic number, because the mean of its divisors is an integer number (15129152632440).

Almost surely, 2121022121102222 is an apocalyptic number.

121022121102222 is an abundant number, since it is smaller than the sum of its proper divisors (121044321016818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022121102222 is a wasteful number, since it uses less digits than its factorization.

121022121102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849992887.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121022121102222 its reverse (222201121220121), we get a palindrome (343223242322343).

The spelling of 121022121102222 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 10903 21806 32709 65418 1849981979 3699963958 5549945937 11099891874 20170353517037 40340707034074 60511060551111 121022121102222