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2211210021012 = 22341109233271653
BaseRepresentation
bin100000001011010110011…
…000110100100010010100
321211101112000202121100220
4200023112120310202110
5242212024231133022
64411452120434340
7315516563030046
oct40132630644224
97741460677326
102211210021012
11782850457763
122b86699189b0
13130693163475
14790476b1a96
153c7ba67985c
hex202d6634894

2211210021012 has 192 divisors, whose sum is σ = 5384712453120. Its totient is φ = 705737318400.

The previous prime is 2211210021001. The next prime is 2211210021017. The reversal of 2211210021012 is 2101200121122.

It is a junction number, because it is equal to n+sod(n) for n = 2211210020982 and 2211210021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211210021017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3386232478 + ... + 3386233130.

It is an arithmetic number, because the mean of its divisors is an integer number (28045377360).

Almost surely, 22211210021012 is an apocalyptic number.

It is an amenable number.

2211210021012 is an abundant number, since it is smaller than the sum of its proper divisors (3173502432108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211210021012 is a wasteful number, since it uses less digits than its factorization.

2211210021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211210021012 its reverse (2101200121122), we get a palindrome (4312410142134).

The spelling of 2211210021012 in words is "two trillion, two hundred eleven billion, two hundred ten million, twenty-one thousand, twelve".