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122221110120222 = 2320370185020037
BaseRepresentation
bin11011110010100011010001…
…110110100100111100011110
3121000202020001022022210022110
4123302203101312210330132
5112004432313142321342
61111535334115054450
734513120021536231
oct3362432166447436
9530666038283273
10122221110120222
1135a41755401a43
121185b32a5a1426
13532752a66ccb9
1422277674db418
15e1e3b9007c9c
hex6f28d1da4f1e

122221110120222 has 8 divisors (see below), whose sum is σ = 244442220240456. Its totient is φ = 40740370040072.

The previous prime is 122221110120211. The next prime is 122221110120223. The reversal of 122221110120222 is 222021011122221.

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

122221110120222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221110120223) 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, 10185092510013 + ... + 10185092510024.

It is an arithmetic number, because the mean of its divisors is an integer number (30555277530057).

Almost surely, 2122221110120222 is an apocalyptic number.

122221110120222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122221110120222 is a wasteful number, since it uses less digits than its factorization.

122221110120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370185020042.

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

Adding to 122221110120222 its reverse (222021011122221), we get a palindrome (344242121242443).

The spelling of 122221110120222 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 20370185020037 40740370040074 61110555060111 122221110120222