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2101010001122 = 21050505000561
BaseRepresentation
bin11110100100101101111…
…101000110110011100010
321102212001222222120021202
4132210231331012303202
5233410332030013442
64245105103521202
7304535662230164
oct36445575066342
97385058876252
102101010001122
1174004041075a
1229b233bb9202
131231803a31c6
1473991b02934
15399bac21c32
hex1e92df46ce2

2101010001122 has 4 divisors (see below), whose sum is σ = 3151515001686. Its totient is φ = 1050505000560.

The previous prime is 2101010001121. The next prime is 2101010001127. The reversal of 2101010001122 is 2211000101012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1446802414561 + 654207586561 = 1202831^2 + 808831^2 .

It is not an unprimeable number, because it can be changed into a prime (2101010001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525252500279 + ... + 525252500282.

Almost surely, 22101010001122 is an apocalyptic number.

2101010001122 is a deficient number, since it is larger than the sum of its proper divisors (1050505000564).

2101010001122 is a wasteful number, since it uses less digits than its factorization.

2101010001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050505000563.

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

Adding to 2101010001122 its reverse (2211000101012), we get a palindrome (4312010102134).

The spelling of 2101010001122 in words is "two trillion, one hundred one billion, ten million, one thousand, one hundred twenty-two".

Divisors: 1 2 1050505000561 2101010001122