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120222020211021 = 3437934991119221
BaseRepresentation
bin11011010101011101011110…
…110011110001000101001101
3120202200010001021222100020000
4123111131132303301011031
5111224204144133223041
61103405122244314513
734215516506635131
oct3325353663610515
9522603037870200
10120222020211021
1135340966255913
12115979bb3a2a39
135210b708262c1
142198ac38733c1
15dd73b5d9bbb6
hex6d575ecf114d

120222020211021 has 40 divisors (see below), whose sum is σ = 180116396460000. Its totient is φ = 79913624202720.

The previous prime is 120222020210989. The next prime is 120222020211043. The reversal of 120222020211021 is 120112020222021.

It is a happy number.

It is not a de Polignac number, because 120222020211021 - 25 = 120222020210989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120222020210985 and 120222020211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222020211121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 106856191 + ... + 107975411.

It is an arithmetic number, because the mean of its divisors is an integer number (4502909911500).

Almost surely, 2120222020211021 is an apocalyptic number.

It is an amenable number.

120222020211021 is a deficient number, since it is larger than the sum of its proper divisors (59894376248979).

120222020211021 is a wasteful number, since it uses less digits than its factorization.

120222020211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123111 (or 1123102 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120222020211021 its reverse (120112020222021), we get a palindrome (240334040433042).

The spelling of 120222020211021 in words is "one hundred twenty trillion, two hundred twenty-two billion, twenty million, two hundred eleven thousand, twenty-one".

Divisors: 1 3 9 27 81 379 1137 3411 3499 10233 10497 30699 31491 94473 283419 1119221 1326121 3357663 3978363 10072989 11935089 30218967 35805267 90656901 107415801 424184759 1272554277 3817662831 3916154279 11452988493 11748462837 34358965479 35245388511 105736165533 317208496599 1484222471741 4452667415223 13358002245669 40074006737007 120222020211021