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122320321211 = 1116216859981
BaseRepresentation
bin111000111101011011…
…0111111101010111011
3102200201201021010211002
41301322312333222323
54001003000234321
6132105420555215
711560132401164
oct1617266775273
9380651233732
10122320321211
114796a6a5860
121b8589b2b0b
13b6c4b25bba
145cc558476b
1532ada3d20b
hex1c7adbfabb

122320321211 has 8 divisors (see below), whose sum is σ = 133522689648. Its totient is φ = 111131676000.

The previous prime is 122320321177. The next prime is 122320321213. The reversal of 122320321211 is 112123023221.

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

It is a cyclic number.

It is not a de Polignac number, because 122320321211 - 230 = 121246579387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122320321213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3412160 + ... + 3447821.

It is an arithmetic number, because the mean of its divisors is an integer number (16690336206).

Almost surely, 2122320321211 is an apocalyptic number.

122320321211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122320321211 is a deficient number, since it is larger than the sum of its proper divisors (11202368437).

122320321211 is a wasteful number, since it uses less digits than its factorization.

122320321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861613.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122320321211 its reverse (112123023221), we get a palindrome (234443344432).

The spelling of 122320321211 in words is "one hundred twenty-two billion, three hundred twenty million, three hundred twenty-one thousand, two hundred eleven".

Divisors: 1 11 1621 17831 6859981 75459791 11120029201 122320321211