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2000011122100 = 225220000111221
BaseRepresentation
bin11101000110101001111…
…100111101010110110100
321002012101012202220121201
4131012221330331112310
5230232010321401400
64130443055222244
7264332066020015
oct35065174752664
97065335686551
102000011122100
11701222158002
12283747817984
131167a59598b4
146cb3014700c
1537058e7806a
hex1d1a9f3d5b4

2000011122100 has 18 divisors (see below), whose sum is σ = 4340024135174. Its totient is φ = 800004448800.

The previous prime is 2000011122077. The next prime is 2000011122103. The reversal of 2000011122100 is 12211100002.

It can be written as a sum of positive squares in 3 ways, for example, as 595530150436 + 1404480971664 = 771706^2 + 1185108^2 .

It is a super-2 number, since 2×20000111221002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000011122103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10000055511 + ... + 10000055710.

Almost surely, 22000011122100 is an apocalyptic number.

2000011122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000011122100 is an abundant number, since it is smaller than the sum of its proper divisors (2340013013074).

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

2000011122100 is a wasteful number, since it uses less digits than its factorization.

2000011122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000111235 (or 20000111228 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2000011122100 its reverse (12211100002), we get a palindrome (2012222222102).

The spelling of 2000011122100 in words is "two trillion, eleven million, one hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 20000111221 40000222442 80000444884 100000556105 200001112210 400002224420 500002780525 1000005561050 2000011122100