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10212221211331 = 49939175224757
BaseRepresentation
bin1001010010011011011111…
…0100010101001011000011
31100011021112020212210120111
42110212313310111023003
52314304112112230311
633415232450052151
72102544235025116
oct224466764251303
940137466783514
1010212221211331
113287a84707177
12118b24427a057
135910153b2099
142743ba37257d
1512a99b281d21
hex949b7d152c3

10212221211331 has 8 divisors (see below), whose sum is σ = 10235300922000. Its totient is φ = 10189151959008.

The previous prime is 10212221211317. The next prime is 10212221211337. The reversal of 10212221211331 is 13311212221201.

It is a happy number.

10212221211331 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 a de Polignac number, because none of the positive numbers 2k-10212221211331 is a prime.

It is a super-2 number, since 2×102122212113312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212221211337) 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, 657796 + ... + 4566961.

It is an arithmetic number, because the mean of its divisors is an integer number (1279412615250).

Almost surely, 210212221211331 is an apocalyptic number.

10212221211331 is a deficient number, since it is larger than the sum of its proper divisors (23079710669).

10212221211331 is an equidigital number, since it uses as much as digits as its factorization.

10212221211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229173.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 10212221211331 its reverse (13311212221201), we get a palindrome (23523433432532).

The spelling of 10212221211331 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 499 3917 1954583 5224757 2607153743 20465373169 10212221211331