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10212221011021 = 211269531795687
BaseRepresentation
bin1001010010011011011111…
…0011100100010001001101
31100011021112020111121210121
42110212313303210101031
52314304112034323041
633415232441504541
72102544233232121
oct224466763442115
940137466447717
1010212221011021
113287a8458a727
12118b2441a2151
13591015341b63
142743ba31d581
1512a99b2427d1
hex949b7ce444d

10212221011021 has 8 divisors (see below), whose sum is σ = 10261006562624. Its totient is φ = 10163439105120.

The previous prime is 10212221011007. The next prime is 10212221011039. The reversal of 10212221011021 is 12011012221201.

10212221011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10212221011021 - 225 = 10212187456589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212221010986 and 10212221011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212221011061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4789240 + ... + 6584926.

It is an arithmetic number, because the mean of its divisors is an integer number (1282625820328).

Almost surely, 210212221011021 is an apocalyptic number.

It is an amenable number.

10212221011021 is a deficient number, since it is larger than the sum of its proper divisors (48785551603).

10212221011021 is a wasteful number, since it uses less digits than its factorization.

10212221011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822851.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10212221011021 its reverse (12011012221201), we get a palindrome (22223233232222).

The spelling of 10212221011021 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, eleven thousand, twenty-one".

Divisors: 1 211 26953 1795687 5687083 378889957 48399151711 10212221011021