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10211200012001 = 19537431579579
BaseRepresentation
bin1001010010010111101011…
…1100110000111011100001
31100011011220002022111110002
42110211322330300323201
52314300014200341001
633414543250145345
72102510025001442
oct224457274607341
940134802274402
1010211200012001
113287600223a8a
12118abba282255
13590bb1961921
142743208a72c9
1512a93b7b446b
hex9497af30ee1

10211200012001 has 4 divisors (see below), whose sum is σ = 10748631591600. Its totient is φ = 9673768432404.

The previous prime is 10211200011973. The next prime is 10211200012021. The reversal of 10211200012001 is 10021000211201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10211200012001 - 238 = 9936322105057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211200012021) 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 in 3 ways as a sum of consecutive naturals, for example, 268715789771 + ... + 268715789808.

It is an arithmetic number, because the mean of its divisors is an integer number (2687157897900).

Almost surely, 210211200012001 is an apocalyptic number.

It is an amenable number.

10211200012001 is a deficient number, since it is larger than the sum of its proper divisors (537431579599).

10211200012001 is an equidigital number, since it uses as much as digits as its factorization.

10211200012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537431579598.

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

Adding to 10211200012001 its reverse (10021000211201), we get a palindrome (20232200223202).

The spelling of 10211200012001 in words is "ten trillion, two hundred eleven billion, two hundred million, twelve thousand, one".

Divisors: 1 19 537431579579 10211200012001