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120022102022021 = 232748213032369
BaseRepresentation
bin11011010010100011010010…
…110000011001011110000101
3120201222000000122122002022122
4123102203102300121132011
5111212420231104201041
61103133220435535325
734165211401236143
oct3322432260313605
9521860018562278
10120022102022021
11352740a6692511
121156510715a545
1351c806044c904
14218d15a5aa593
15dd20b4bd7c4b
hex6d28d2c19785

120022102022021 has 12 divisors (see below), whose sum is σ = 125469057441420. Its totient is φ = 114802177522560.

The previous prime is 120022102021949. The next prime is 120022102022047. The reversal of 120022102022021 is 120220201220021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21351931264225 + 98670170757796 = 4620815^2 + 9933286^2 .

It is not a de Polignac number, because 120022102022021 - 242 = 115624055510917 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 (120022102022051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38064125 + ... + 41096493.

It is an arithmetic number, because the mean of its divisors is an integer number (10455754786785).

Almost surely, 2120022102022021 is an apocalyptic number.

It is an amenable number.

120022102022021 is a deficient number, since it is larger than the sum of its proper divisors (5446955419399).

120022102022021 is an equidigital number, since it uses as much as digits as its factorization.

120022102022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107236 (or 3107213 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120022102022021 its reverse (120220201220021), we get a palindrome (240242303242042).

The spelling of 120022102022021 in words is "one hundred twenty trillion, twenty-two billion, one hundred two million, twenty-two thousand, twenty-one".

Divisors: 1 23 529 74821 1720883 3032369 39580309 69744487 1604123201 226884880949 5218352261827 120022102022021