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2211210201020 = 225110560510051
BaseRepresentation
bin100000001011010110011…
…001100000011110111100
321211101112001002202021212
4200023112121200132330
5242212024302413040
64411452124343552
7315516564406622
oct40132631403674
97741461082255
102211210201020
1178285056aa27
122b86699a4bb8
131306931c7392
147904771b512
153c7ba6b2d65
hex202d66607bc

2211210201020 has 12 divisors (see below), whose sum is σ = 4643541422184. Its totient is φ = 884484080400.

The previous prime is 2211210201019. The next prime is 2211210201023. The reversal of 2211210201020 is 201020121122.

It is a junction number, because it is equal to n+sod(n) for n = 2211210200986 and 2211210201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211210201023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55280255006 + ... + 55280255045.

It is an arithmetic number, because the mean of its divisors is an integer number (386961785182).

Almost surely, 22211210201020 is an apocalyptic number.

2211210201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211210201020 is an abundant number, since it is smaller than the sum of its proper divisors (2432331221164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211210201020 is a wasteful number, since it uses less digits than its factorization.

2211210201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110560510060 (or 110560510058 counting only the distinct ones).

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

Adding to 2211210201020 its reverse (201020121122), we get a palindrome (2412230322142).

The spelling of 2211210201020 in words is "two trillion, two hundred eleven billion, two hundred ten million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 110560510051 221121020102 442242040204 552802550255 1105605100510 2211210201020