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2021010222212 = 2224110103207511
BaseRepresentation
bin11101011010001101100…
…110001010110010000100
321011012120200021201120022
4131122031212022302010
5231103012104102322
64144234514554312
7266004342306152
oct35321546126204
97135520251508
102021010222212
1170a1186457a3
12287828298998
13118771317c17
146db62dc43d2
1537887798942
hex1d68d98ac84

2021010222212 has 24 divisors (see below), whose sum is σ = 3551811914112. Its totient is φ = 1006207689600.

The previous prime is 2021010222211. The next prime is 2021010222269. The reversal of 2021010222212 is 2122220101202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2021010222211) 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, 9635537 + ... + 9843047.

It is an arithmetic number, because the mean of its divisors is an integer number (147992163088).

Almost surely, 22021010222212 is an apocalyptic number.

It is an amenable number.

2021010222212 is a deficient number, since it is larger than the sum of its proper divisors (1530801691900).

2021010222212 is a wasteful number, since it uses less digits than its factorization.

2021010222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217859 (or 217857 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021010222212 its reverse (2122220101202), we get a palindrome (4143230323414).

The spelling of 2021010222212 in words is "two trillion, twenty-one billion, ten million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 241 482 964 10103 20206 40412 207511 415022 830044 2434823 4869646 9739292 50010151 100020302 200040604 2096483633 4192967266 8385934532 505252555553 1010505111106 2021010222212