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1021100212 = 221132297187
BaseRepresentation
bin111100110111001…
…100000010110100
32122011101021011101
4330313030002310
54042400201322
6245153415444
734206131356
oct7467140264
92564337141
101021100212
11484425780
12245b6a584
13133717312
14998810d6
155e99d327
hex3cdcc0b4

1021100212 has 24 divisors (see below), whose sum is σ = 1950248160. Its totient is φ = 463928160.

The previous prime is 1021100209. The next prime is 1021100263. The reversal of 1021100212 is 2120011201.

1021100212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138483 + ... + 145669.

It is an arithmetic number, because the mean of its divisors is an integer number (81260340).

Almost surely, 21021100212 is an apocalyptic number.

It is an amenable number.

1021100212 is a deficient number, since it is larger than the sum of its proper divisors (929147948).

1021100212 is a wasteful number, since it uses less digits than its factorization.

1021100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431 (or 10429 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1021100212 is about 31954.6586900877. The cubic root of 1021100212 is about 1006.9845070849.

Adding to 1021100212 its reverse (2120011201), we get a palindrome (3141111413).

The spelling of 1021100212 in words is "one billion, twenty-one million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 3229 6458 7187 12916 14374 28748 35519 71038 79057 142076 158114 316228 23206823 46413646 92827292 255275053 510550106 1021100212