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10202221110001 = 11818638629221
BaseRepresentation
bin1001010001110110001111…
…0000111110001011110001
31100010022201022221000110011
42110131203300332023301
52314123122101010001
633410500301134521
72102041356411544
oct224354360761361
940108638830404
1010202221110001
113283812933018
12118931325a441
135900b068a76b
14273b0c1c485b
1512a5b33a3d51
hex94763c3e2f1

10202221110001 has 4 divisors (see below), whose sum is σ = 10210859740404. Its totient is φ = 10193582479600.

The previous prime is 10202221109939. The next prime is 10202221110013. The reversal of 10202221110001 is 10001112220201.

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 7694099582976 + 2508121527025 = 2773824^2 + 1583705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202221110001 - 221 = 10202219012849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202221110091) 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, 4319313430 + ... + 4319315791.

It is an arithmetic number, because the mean of its divisors is an integer number (2552714935101).

Almost surely, 210202221110001 is an apocalyptic number.

It is an amenable number.

10202221110001 is a deficient number, since it is larger than the sum of its proper divisors (8638630403).

10202221110001 is an equidigital number, since it uses as much as digits as its factorization.

10202221110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638630402.

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

Adding to 10202221110001 its reverse (10001112220201), we get a palindrome (20203333330202).

The spelling of 10202221110001 in words is "ten trillion, two hundred two billion, two hundred twenty-one million, one hundred ten thousand, one".

Divisors: 1 1181 8638629221 10202221110001