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122213313211 = 1116016939601
BaseRepresentation
bin111000111010001111…
…0110010101010111011
3102200110020220120102211
41301310132302222323
54000243102010321
6132051035235551
711554363010413
oct1616436625273
9380406816384
10122213313211
11479152580a0
121b828ba8bb7
13b6a88ca662
145cb528b643
1532a44520e1
hex1c747b2abb

122213313211 has 8 divisors (see below), whose sum is σ = 133406908848. Its totient is φ = 111033600000.

The previous prime is 122213313193. The next prime is 122213313221. The reversal of 122213313211 is 112313312221.

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 122213313211 - 27 = 122213313083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122213313221) 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, 3452190 + ... + 3487411.

It is an arithmetic number, because the mean of its divisors is an integer number (16675863606).

Almost surely, 2122213313211 is an apocalyptic number.

122213313211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122213313211 is a deficient number, since it is larger than the sum of its proper divisors (11193595637).

122213313211 is a wasteful number, since it uses less digits than its factorization.

122213313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941213.

The product of its digits is 432, while the sum is 22.

Adding to 122213313211 its reverse (112313312221), we get a palindrome (234526625432).

The spelling of 122213313211 in words is "one hundred twenty-two billion, two hundred thirteen million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 11 1601 17611 6939601 76335611 11110301201 122213313211