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2202101020121 = 3943558483647
BaseRepresentation
bin100000000010110111011…
…100101111010111011001
321210112000012120102020112
4200002313130233113121
5242034400330120441
64403344203134105
7315045054555122
oct40026734572731
97715005512215
102202101020121
117799a6687552
122b6947214335
1312c870c3a802
1478821a05049
153c435b1b4eb
hex200b772f5d9

2202101020121 has 4 divisors (see below), whose sum is σ = 2202659507712. Its totient is φ = 2201542532532.

The previous prime is 2202101020039. The next prime is 2202101020151. The reversal of 2202101020121 is 1210201012022.

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 2202101020121 - 218 = 2202100757977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202101020096 and 2202101020105.

It is not an unprimeable number, because it can be changed into a prime (2202101020151) 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, 279237881 + ... + 279245766.

It is an arithmetic number, because the mean of its divisors is an integer number (550664876928).

Almost surely, 22202101020121 is an apocalyptic number.

It is an amenable number.

2202101020121 is a deficient number, since it is larger than the sum of its proper divisors (558487591).

2202101020121 is an equidigital number, since it uses as much as digits as its factorization.

2202101020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558487590.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2202101020121 its reverse (1210201012022), we get a palindrome (3412302032143).

The spelling of 2202101020121 in words is "two trillion, two hundred two billion, one hundred one million, twenty thousand, one hundred twenty-one".

Divisors: 1 3943 558483647 2202101020121