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10010111021021 = 79712799819967
BaseRepresentation
bin1001000110101010100100…
…0111001000111111011101
31022102221211211220100011102
42101222221013020333131
52303001201410133041
633142325335202445
72052130611532556
oct221525107107735
938387754810142
1010010111021021
11320a29a787841
121158039b16425
13577c45b479b7
142686c5d1132d
151255bc93109b
hex91aa91c8fdd

10010111021021 has 8 divisors (see below), whose sum is σ = 10030508113920. Its totient is φ = 9989733572208.

The previous prime is 10010111020963. The next prime is 10010111021039. The reversal of 10010111021021 is 12012011101001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10010111021021 - 26 = 10010111020957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10010111020993 and 10010111021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010111081021) 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 7 ways as a sum of consecutive naturals, for example, 3890621 + ... + 5929346.

It is an arithmetic number, because the mean of its divisors is an integer number (1253813514240).

Almost surely, 210010111021021 is an apocalyptic number.

It is an amenable number.

10010111021021 is a deficient number, since it is larger than the sum of its proper divisors (20397092899).

10010111021021 is an equidigital number, since it uses as much as digits as its factorization.

10010111021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822043.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10010111021021 its reverse (12012011101001), we get a palindrome (22022122122022).

The spelling of 10010111021021 in words is "ten trillion, ten billion, one hundred eleven million, twenty-one thousand, twenty-one".

Divisors: 1 797 1279 1019363 9819967 7826513699 12559737793 10010111021021