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10212112101 = 331109807657
BaseRepresentation
bin10011000001011000…
…00111011011100101
3222100200220001020010
421200230013123211
5131403300041401
64405201000433
7511031343402
oct114054073345
928320801203
1010212112101
11437051aa74
121b90023119
13c699257a9
146cc3b92a9
153eb80aed6
hex260b076e5

10212112101 has 8 divisors (see below), whose sum is σ = 14055380224. Its totient is φ = 6588459360.

The previous prime is 10212112091. The next prime is 10212112103. The reversal of 10212112101 is 10121121201.

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

It is not a de Polignac number, because 10212112101 - 29 = 10212111589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212112103) 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, 54903736 + ... + 54903921.

It is an arithmetic number, because the mean of its divisors is an integer number (1756922528).

Almost surely, 210212112101 is an apocalyptic number.

It is an amenable number.

10212112101 is a deficient number, since it is larger than the sum of its proper divisors (3843268123).

10212112101 is a wasteful number, since it uses less digits than its factorization.

10212112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109807691.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10212112101 its reverse (10121121201), we get a palindrome (20333233302).

The spelling of 10212112101 in words is "ten billion, two hundred twelve million, one hundred twelve thousand, one hundred one".

Divisors: 1 3 31 93 109807657 329422971 3404037367 10212112101