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1210112210101 = 3229433986371
BaseRepresentation
bin10001100111000000010…
…011101111010010110101
311021200111210121121102111
4101213000103233102311
5124311302211210401
62323530132211021
7153266465033104
oct21470023572265
94250453547374
101210112210101
11427229882223
12176640169a71
138a161602492
14427d953a03b
1521727860e51
hex119c04ef4b5

1210112210101 has 8 divisors (see below), whose sum is σ = 1210779970400. Its totient is φ = 1209444637680.

The previous prime is 1210112210089. The next prime is 1210112210159. The reversal of 1210112210101 is 1010122110121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1210112210101 is a prime.

It is a super-2 number, since 2×12101122101012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210112210171) 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, 13967446 + ... + 14053816.

It is an arithmetic number, because the mean of its divisors is an integer number (151347496300).

Almost surely, 21210112210101 is an apocalyptic number.

It is an amenable number.

1210112210101 is a deficient number, since it is larger than the sum of its proper divisors (667760299).

1210112210101 is an equidigital number, since it uses as much as digits as its factorization.

1210112210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93939.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210112210101 its reverse (1010122110121), we get a palindrome (2220234320222).

The spelling of 1210112210101 in words is "one trillion, two hundred ten billion, one hundred twelve million, two hundred ten thousand, one hundred one".

Divisors: 1 3229 4339 86371 14010631 278891959 374763769 1210112210101