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10012221020021 = 116959772716927
BaseRepresentation
bin1001000110110010011011…
…1000001001011101110101
31022110011021220020101122112
42101230212320021131311
52303020012040120041
633143314551540405
72052234112323263
oct221544670113565
938404256211575
1010012221020021
113210182825270
12115852868a705
135781c1026b0c
14268846241433
15125692cc0deb
hex91b26e09775

10012221020021 has 16 divisors (see below), whose sum is σ = 10926051655680. Its totient is φ = 9098995804080.

The previous prime is 10012221020017. The next prime is 10012221020027. The reversal of 10012221020021 is 12002012221001.

10012221020021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10012221020021 - 22 = 10012221020017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012221019978 and 10012221020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012221020027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591485660 + ... + 591502586.

It is an arithmetic number, because the mean of its divisors is an integer number (682878228480).

Almost surely, 210012221020021 is an apocalyptic number.

10012221020021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10012221020021 is a deficient number, since it is larger than the sum of its proper divisors (913830635659).

10012221020021 is a wasteful number, since it uses less digits than its factorization.

10012221020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31624.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012221020021 its reverse (12002012221001), we get a palindrome (22014233241022).

The spelling of 10012221020021 in words is "ten trillion, twelve billion, two hundred twenty-one million, twenty thousand, twenty-one".

Divisors: 1 11 6959 7727 16927 76549 84997 186197 53772193 117794993 130794929 591494123 1295744923 1438744219 910201910911 10012221020021