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10212010111 = 311013261581
BaseRepresentation
bin10011000001010111…
…01110100001111111
3222100200200212022201
421200223232201333
5131403233310421
64405154452331
7511030440142
oct114053564177
928320625281
1010212010111
114370460386
121b8bb940a7
13c698bb244
146cc390059
153eb7dab91
hex260aee87f

10212010111 has 8 divisors (see below), whose sum is σ = 10645803648. Its totient is φ = 9784740000.

The previous prime is 10212010099. The next prime is 10212010153. The reversal of 10212010111 is 11101021201.

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

It is a cyclic number.

It is not a de Polignac number, because 10212010111 - 25 = 10212010079 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 (10212080111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627660 + ... + 1633921.

It is an arithmetic number, because the mean of its divisors is an integer number (1330725456).

Almost surely, 210212010111 is an apocalyptic number.

10212010111 is a deficient number, since it is larger than the sum of its proper divisors (433793537).

10212010111 is a wasteful number, since it uses less digits than its factorization.

10212010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261713.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10212010111 its reverse (11101021201), we get a palindrome (21313031312).

The spelling of 10212010111 in words is "ten billion, two hundred twelve million, ten thousand, one hundred eleven".

Divisors: 1 31 101 3131 3261581 101109011 329419681 10212010111