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122111021222 = 2577105815443
BaseRepresentation
bin111000110111001100…
…0100101000010100110
3102200012010102121012122
41301232120211002212
54000040410134342
6132032542545542
711552011361141
oct1615630450246
9380163377178
10122111021222
1147872540663
121b7ba8982b2
13b690663858
145ca5861058
15329a4984d2
hex1c6e6250a6

122111021222 has 8 divisors (see below), whose sum is σ = 183483979896. Its totient is φ = 60949694592.

The previous prime is 122111021183. The next prime is 122111021257. The reversal of 122111021222 is 222120111221.

122111021222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1221110212222 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122111021222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52906568 + ... + 52908875.

It is an arithmetic number, because the mean of its divisors is an integer number (22935497487).

Almost surely, 2122111021222 is an apocalyptic number.

122111021222 is a deficient number, since it is larger than the sum of its proper divisors (61372958674).

122111021222 is a wasteful number, since it uses less digits than its factorization.

122111021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105816022.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122111021222 its reverse (222120111221), we get a palindrome (344231132443).

The spelling of 122111021222 in words is "one hundred twenty-two billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 577 1154 105815443 211630886 61055510611 122111021222