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2011200101012 = 22502800025253
BaseRepresentation
bin11101010001000100110…
…111100001101010010100
321010021020222210221012002
4131101010313201222110
5230422414211213022
64135533234014432
7265206261535544
oct35210467415224
97107228727162
102011200101012
11705a44030513
1228594aa17418
13117869a7cc8b
146d4b216b324
15374b13e6092
hex1d444de1a94

2011200101012 has 6 divisors (see below), whose sum is σ = 3519600176778. Its totient is φ = 1005600050504.

The previous prime is 2011200101011. The next prime is 2011200101021. The reversal of 2011200101012 is 2101010021102.

It can be written as a sum of positive squares in only one way, i.e., 1843088620816 + 168111480196 = 1357604^2 + 410014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2011200100984 and 2011200101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011200101011) 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 as a sum of consecutive naturals, namely, 251400012623 + ... + 251400012630.

It is an arithmetic number, because the mean of its divisors is an integer number (586600029463).

Almost surely, 22011200101012 is an apocalyptic number.

It is an amenable number.

2011200101012 is a deficient number, since it is larger than the sum of its proper divisors (1508400075766).

2011200101012 is a wasteful number, since it uses less digits than its factorization.

2011200101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502800025257 (or 502800025255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2011200101012 its reverse (2101010021102), we get a palindrome (4112210122114).

The spelling of 2011200101012 in words is "two trillion, eleven billion, two hundred million, one hundred one thousand, twelve".

Divisors: 1 2 4 502800025253 1005600050506 2011200101012