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2011211212102 = 22098194792729
BaseRepresentation
bin11101010001000101100…
…001111010010101000110
321010021021202201102201221
4131101011201322111012
5230422430032241402
64135534312110554
7265206455143441
oct35210541722506
97107252642657
102011211212102
11705a4a32a434
1228595269545a
1311786c1704a1
146d4b3820658
15374b238d337
hex1d44587a546

2011211212102 has 8 divisors (see below), whose sum is σ = 3016831825800. Its totient is φ = 1005600603504.

The previous prime is 2011211212063. The next prime is 2011211212103. The reversal of 2011211212102 is 2012121121102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011211212103) 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 3 ways as a sum of consecutive naturals, for example, 1976727 + ... + 2816002.

It is an arithmetic number, because the mean of its divisors is an integer number (377103978225).

Almost surely, 22011211212102 is an apocalyptic number.

2011211212102 is a deficient number, since it is larger than the sum of its proper divisors (1005620613698).

2011211212102 is a wasteful number, since it uses less digits than its factorization.

2011211212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002550.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011211212102 its reverse (2012121121102), we get a palindrome (4023332333204).

The spelling of 2011211212102 in words is "two trillion, eleven billion, two hundred eleven million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 209819 419638 4792729 9585458 1005605606051 2011211212102