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211222211222102 = 2313406809858421
BaseRepresentation
bin110000000001101100000000…
…110111100101101001010110
31000200212122110001220102002212
4300001230000313211221112
5210141131042033101402
62025122051054433422
762330205204650543
oct6001540067455126
91020778401812085
10211222211222102
1161335922757363
121b834343202872
1390b222753a272
143a232d10c1bca
151964593b20952
hexc01b00de5a56

211222211222102 has 8 divisors (see below), whose sum is σ = 327053746408512. Its totient is φ = 102204295752600.

The previous prime is 211222211222089. The next prime is 211222211222107. The reversal of 211222211222102 is 201222112222112.

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

It is a super-2 number, since 2×2112222112221022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222211222107) 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, 1703404929149 + ... + 1703404929272.

It is an arithmetic number, because the mean of its divisors is an integer number (40881718301064).

Almost surely, 2211222211222102 is an apocalyptic number.

211222211222102 is a deficient number, since it is larger than the sum of its proper divisors (115831535186410).

211222211222102 is a wasteful number, since it uses less digits than its factorization.

211222211222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406809858454.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 211222211222102 its reverse (201222112222112), we get a palindrome (412444323444214).

The spelling of 211222211222102 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred two".

Divisors: 1 2 31 62 3406809858421 6813619716842 105611105611051 211222211222102