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212022200101 = 245039865259
BaseRepresentation
bin1100010101110110000…
…0100000011100100101
3202021021012011201122211
43011131200200130211
511433210140400401
6241222431323421
721214051652035
oct3053540403445
9667235151584
10212022200101
1181a11006068
1235111980571
1316cbbc5764a
14a394a3b8c5
1557adb2c951
hex315d820725

212022200101 has 4 divisors (see below), whose sum is σ = 212023310400. Its totient is φ = 212021089804.

The previous prime is 212022200081. The next prime is 212022200111. The reversal of 212022200101 is 101002220212.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212022200101 - 211 = 212022198053 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 (212022200111) 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, 187591 + ... + 677668.

It is an arithmetic number, because the mean of its divisors is an integer number (53005827600).

Almost surely, 2212022200101 is an apocalyptic number.

It is an amenable number.

212022200101 is a deficient number, since it is larger than the sum of its proper divisors (1110299).

212022200101 is an equidigital number, since it uses as much as digits as its factorization.

212022200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110298.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212022200101 its reverse (101002220212), we get a palindrome (313024420313).

The spelling of 212022200101 in words is "two hundred twelve billion, twenty-two million, two hundred thousand, one hundred one".

Divisors: 1 245039 865259 212022200101