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101212222221211 = 1019122910984459
BaseRepresentation
bin10111000000110101001110…
…100011010110101110011011
3111021100210102210021210210211
4113000311032203112232123
5101231230112342034321
6555132130351551551
730214225135046263
oct2700651643265633
9437323383253724
10101212222221211
112a281953934a32
12b42773452b5b7
13446236b92cbba
141adc9aa6827a3
15ba7b674c40e1
hex5c0d4e8d6b9b

101212222221211 has 8 divisors (see below), whose sum is σ = 102215453151600. Its totient is φ = 100209013442400.

The previous prime is 101212222221197. The next prime is 101212222221217. The reversal of 101212222221211 is 112122222212101.

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 101212222221211 - 29 = 101212222220699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101212222221217) 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, 3721900 + ... + 14706358.

It is an arithmetic number, because the mean of its divisors is an integer number (12776931643950).

Almost surely, 2101212222221211 is an apocalyptic number.

101212222221211 is a deficient number, since it is larger than the sum of its proper divisors (1003230930389).

101212222221211 is a wasteful number, since it uses less digits than its factorization.

101212222221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11075789.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 101212222221211 its reverse (112122222212101), we get a palindrome (213334444433312).

The spelling of 101212222221211 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 101 91229 9214129 10984459 1109430359 1002101210111 101212222221211