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12220122101 = 111283865877
BaseRepresentation
bin10110110000110000…
…00100001111110101
31011112122022112002212
423120120010033311
5200011322401401
65340331343205
7611553216065
oct133030041765
934478275085
1012220122101
115200a38670
1224505b1b05
1311c99459a5
1483cd5b3a5
154b7c51dbb
hex2d86043f5

12220122101 has 8 divisors (see below), whose sum is σ = 13341448224. Its totient is φ = 11100530320.

The previous prime is 12220122001. The next prime is 12220122107. The reversal of 12220122101 is 10122102221.

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

It is a de Polignac number, because none of the positive numbers 2k-12220122101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220122107) 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, 418826 + ... + 447051.

It is an arithmetic number, because the mean of its divisors is an integer number (1667681028).

Almost surely, 212220122101 is an apocalyptic number.

12220122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12220122101 is a deficient number, since it is larger than the sum of its proper divisors (1121326123).

12220122101 is a wasteful number, since it uses less digits than its factorization.

12220122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867171.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220122101 its reverse (10122102221), we get a palindrome (22342224322).

The spelling of 12220122101 in words is "twelve billion, two hundred twenty million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 11 1283 14113 865877 9524647 1110920191 12220122101