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2122022003021 = 4397094825969
BaseRepresentation
bin11110111000010010010…
…111100010000101001101
321111212022100202212011022
4132320102113202011031
5234231400113044041
64302502104003525
7306211453263014
oct36702227420515
97455270685138
102122022003021
11748a43110788
122a3318a605a5
1312514b62ab1b
14749c657ba7b
153a2ea74024b
hex1ee125e214d

2122022003021 has 4 divisors (see below), whose sum is σ = 2122027268700. Its totient is φ = 2122016737344.

The previous prime is 2122022002973. The next prime is 2122022003029. The reversal of 2122022003021 is 1203002202212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 569593221796 + 1552428781225 = 754714^2 + 1245965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2122022003021 is a prime.

It is a super-3 number, since 3×21220220030213 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122022003029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973276 + ... + 2852693.

It is an arithmetic number, because the mean of its divisors is an integer number (530506817175).

Almost surely, 22122022003021 is an apocalyptic number.

It is an amenable number.

2122022003021 is a deficient number, since it is larger than the sum of its proper divisors (5265679).

2122022003021 is an equidigital number, since it uses as much as digits as its factorization.

2122022003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265678.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2122022003021 its reverse (1203002202212), we get a palindrome (3325024205233).

The spelling of 2122022003021 in words is "two trillion, one hundred twenty-two billion, twenty-two million, three thousand, twenty-one".

Divisors: 1 439709 4825969 2122022003021