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20220210201121 = 72888601457303
BaseRepresentation
bin1001001100011111000100…
…11100100100001000100001
32122121000220012210210010121
410212033202130210020201
510122241442302413441
6111001011503000241
74154601441605020
oct446174234441041
978530805723117
1020220210201121
116496385578497
12232698b599081
13b389b06c70a8
144dc9405008b7
15250e92747dd1
hex1263e2724221

20220210201121 has 4 divisors (see below), whose sum is σ = 23108811658432. Its totient is φ = 17331608743812.

The previous prime is 20220210201049. The next prime is 20220210201131. The reversal of 20220210201121 is 12110201202202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20220210201121 - 225 = 20220176646689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220210201095 and 20220210201104.

It is not an unprimeable number, because it can be changed into a prime (20220210201131) 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, 1444300728645 + ... + 1444300728658.

It is an arithmetic number, because the mean of its divisors is an integer number (5777202914608).

Almost surely, 220220210201121 is an apocalyptic number.

It is an amenable number.

20220210201121 is a deficient number, since it is larger than the sum of its proper divisors (2888601457311).

20220210201121 is an equidigital number, since it uses as much as digits as its factorization.

20220210201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888601457310.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20220210201121 its reverse (12110201202202), we get a palindrome (32330411403323).

The spelling of 20220210201121 in words is "twenty trillion, two hundred twenty billion, two hundred ten million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 7 2888601457303 20220210201121