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210212001210101 = 1119110181928191
BaseRepresentation
bin101111110010111111001011…
…101010001101111011110101
31000120022001220210112122012012
4233302333023222031323311
5210023103134302210401
62023030021000134005
762164213232352632
oct5762771352157365
91016261823478165
10210212001210101
1160a86455516320
121b6b05b1a67305
13903aba2c02b07
1439ca45aa89189
15194816ad658bb
hexbf2fcba8def5

210212001210101 has 4 divisors (see below), whose sum is σ = 229322183138304. Its totient is φ = 191101819281900.

The previous prime is 210212001210097. The next prime is 210212001210161. The reversal of 210212001210101 is 101012100212012.

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 210212001210101 - 22 = 210212001210097 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 (210212001210161) 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, 9555090964085 + ... + 9555090964106.

It is an arithmetic number, because the mean of its divisors is an integer number (57330545784576).

Almost surely, 2210212001210101 is an apocalyptic number.

It is an amenable number.

210212001210101 is a deficient number, since it is larger than the sum of its proper divisors (19110181928203).

210212001210101 is a wasteful number, since it uses less digits than its factorization.

210212001210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110181928202.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210212001210101 its reverse (101012100212012), we get a palindrome (311224101422113).

The spelling of 210212001210101 in words is "two hundred ten trillion, two hundred twelve billion, one million, two hundred ten thousand, one hundred one".

Divisors: 1 11 19110181928191 210212001210101