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10112021011 = 85631180897
BaseRepresentation
bin10010110101011100…
…10011001000010011
3222002201112220001201
421122232103020103
5131202134133021
64351223412031
7505404521551
oct113256231023
928081486051
1010112021011
114319a77064
121b625b4017
13c51c7c6b1
146bcda2bd1
153e2b39591
hex25ab93213

10112021011 has 4 divisors (see below), whose sum is σ = 10113210472. Its totient is φ = 10110831552.

The previous prime is 10112020993. The next prime is 10112021041. The reversal of 10112021011 is 11012021101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11012021101 = 14537578817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10112021011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112021041) 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, 581886 + ... + 599011.

It is an arithmetic number, because the mean of its divisors is an integer number (2528302618).

Almost surely, 210112021011 is an apocalyptic number.

10112021011 is a deficient number, since it is larger than the sum of its proper divisors (1189461).

10112021011 is an equidigital number, since it uses as much as digits as its factorization.

10112021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189460.

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

Adding to 10112021011 its reverse (11012021101), we get a palindrome (21124042112).

The spelling of 10112021011 in words is "ten billion, one hundred twelve million, twenty-one thousand, eleven".

Divisors: 1 8563 1180897 10112021011