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10210021122001 = 11278499052649
BaseRepresentation
bin1001010010010011010010…
…1011101001111111010001
31100011001211221000200101111
42110210310223221333101
52314240110401401001
633414230254333321
72102435561414401
oct224446453517721
940131757020344
1010210021122001
113287055826528
12118a92b4ba241
13590a5464bb8c
1427424c0b0801
1512a8bd048851
hex94934ae9fd1

10210021122001 has 4 divisors (see below), whose sum is σ = 10210031302500. Its totient is φ = 10210010941504.

The previous prime is 10210021121987. The next prime is 10210021122011. The reversal of 10210021122001 is 10022112001201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6808029008400 + 3401992113601 = 2609220^2 + 1844449^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210021122001 - 211 = 10210021119953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210021122011) 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, 3398476 + ... + 5654173.

It is an arithmetic number, because the mean of its divisors is an integer number (2552507825625).

Almost surely, 210210021122001 is an apocalyptic number.

It is an amenable number.

10210021122001 is a deficient number, since it is larger than the sum of its proper divisors (10180499).

10210021122001 is an equidigital number, since it uses as much as digits as its factorization.

10210021122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180498.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210021122001 its reverse (10022112001201), we get a palindrome (20232133123202).

The spelling of 10210021122001 in words is "ten trillion, two hundred ten billion, twenty-one million, one hundred twenty-two thousand, one".

Divisors: 1 1127849 9052649 10210021122001