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1010021002201 = 7987312645337
BaseRepresentation
bin11101011001010011111…
…00010110101111011001
310120120001002201002012201
432230221330112233121
5113022010334032301
62051555223210201
7132654155602621
oct16545174265731
93516032632181
101010021002201
1135a3905851a2
121438b9ba6961
137432442a643
1436c572b5881
151b4163c2201
hexeb29f16bd9

1010021002201 has 4 divisors (see below), whose sum is σ = 1010033727412. Its totient is φ = 1010008276992.

The previous prime is 1010021002163. The next prime is 1010021002217. The reversal of 1010021002201 is 1022001200101.

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 172494024976 + 837526977225 = 415324^2 + 915165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010021002201 - 213 = 1010020994009 is a prime.

It is a super-2 number, since 2×10100210022012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010021702201) 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, 6242796 + ... + 6402541.

It is an arithmetic number, because the mean of its divisors is an integer number (252508431853).

Almost surely, 21010021002201 is an apocalyptic number.

It is an amenable number.

1010021002201 is a deficient number, since it is larger than the sum of its proper divisors (12725211).

1010021002201 is an equidigital number, since it uses as much as digits as its factorization.

1010021002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725210.

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

Adding to 1010021002201 its reverse (1022001200101), we get a palindrome (2032022202302).

The spelling of 1010021002201 in words is "one trillion, ten billion, twenty-one million, two thousand, two hundred one".

Divisors: 1 79873 12645337 1010021002201