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2100211121012 = 2211311489404429
BaseRepresentation
bin11110100011111110010…
…101100111101101110100
321102210000022202020210112
4132203332111213231310
5233402213021333022
64244453525042152
7304510121656514
oct36437625475564
97383008666715
102100211121012
1173a770475264
1229b050556358
13123083a22c94
1473917989844
1539970a1b8e2
hex1e8fe567b74

2100211121012 has 24 divisors (see below), whose sum is σ = 3708226758600. Its totient is φ = 1040719425536.

The previous prime is 2100211121003. The next prime is 2100211121039. The reversal of 2100211121012 is 2101211120012.

It can be written as a sum of positive squares in 4 ways, for example, as 476810896 + 2099734310116 = 21836^2 + 1449046^2 .

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, 4990814 + ... + 5395242.

It is an arithmetic number, because the mean of its divisors is an integer number (154509448275).

Almost surely, 22100211121012 is an apocalyptic number.

It is an amenable number.

2100211121012 is a deficient number, since it is larger than the sum of its proper divisors (1608015637588).

2100211121012 is a wasteful number, since it uses less digits than its factorization.

2100211121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416035 (or 416033 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2100211121012 its reverse (2101211120012), we get a palindrome (4201422241024).

The spelling of 2100211121012 in words is "two trillion, one hundred billion, two hundred eleven million, one hundred twenty-one thousand, twelve".

Divisors: 1 2 4 113 226 452 11489 22978 45956 404429 808858 1298257 1617716 2596514 5193028 45700477 91400954 182801908 4646484781 9292969562 18585939124 525052780253 1050105560506 2100211121012