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210121010202201 = 3710005762390581
BaseRepresentation
bin101111110001101010011100…
…001011000100011001011001
31000112222101001110220111210120
4233301222130023010121121
5210020110312102432301
62022520132015103453
762154512340506340
oct5761523413043131
91015871043814716
10210121010202201
1160a5090246333a
121b696a39211b89
1390324319a1537
1439c5ca8300b57
151945ae29d1e36
hexbf1a9c2c4659

210121010202201 has 8 divisors (see below), whose sum is σ = 320184396498624. Its totient is φ = 120069148686960.

The previous prime is 210121010202079. The next prime is 210121010202211. The reversal of 210121010202201 is 102202010121012.

210121010202201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210121010202201 - 218 = 210121009940057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210121010202211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5002881195270 + ... + 5002881195311.

It is an arithmetic number, because the mean of its divisors is an integer number (40023049562328).

Almost surely, 2210121010202201 is an apocalyptic number.

210121010202201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210121010202201 is a deficient number, since it is larger than the sum of its proper divisors (110063386296423).

210121010202201 is a wasteful number, since it uses less digits than its factorization.

210121010202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005762390591.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210121010202201 its reverse (102202010121012), we get a palindrome (312323020323213).

The spelling of 210121010202201 in words is "two hundred ten trillion, one hundred twenty-one billion, ten million, two hundred two thousand, two hundred one".

Divisors: 1 3 7 21 10005762390581 30017287171743 70040336734067 210121010202201