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222012210000101 = 1553142956992917
BaseRepresentation
bin110010011110101100111110…
…111010011011000011100101
31002010002011022122012200112012
4302132230332322123003211
5213044422001230000401
62104103000135204005
764522565346205433
oct6236547672330345
91063064278180465
10222012210000101
1164815938775a44
1220a97553b16605
1396b587a6176c1
143cb763c1b5d53
151aa00a8d058bb
hexc9eb3ee9b0e5

222012210000101 has 4 divisors (see below), whose sum is σ = 222155166994572. Its totient is φ = 221869253005632.

The previous prime is 222012210000083. The next prime is 222012210000127. The reversal of 222012210000101 is 101000012210222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58639588207201 + 163372621792900 = 7657649^2 + 12781730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222012210000101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012210009101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71478494906 + ... + 71478498011.

It is an arithmetic number, because the mean of its divisors is an integer number (55538791748643).

Almost surely, 2222012210000101 is an apocalyptic number.

It is an amenable number.

222012210000101 is a deficient number, since it is larger than the sum of its proper divisors (142956994471).

222012210000101 is a wasteful number, since it uses less digits than its factorization.

222012210000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142956994470.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222012210000101 its reverse (101000012210222), we get a palindrome (323012222210323).

The spelling of 222012210000101 in words is "two hundred twenty-two trillion, twelve billion, two hundred ten million, one hundred one", and thus it is an aban number.

Divisors: 1 1553 142956992917 222012210000101