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10212022212121 = 47729232979541
BaseRepresentation
bin1001010010011010101111…
…1101001101011000011001
31100011021000101102120222101
42110212223331031120121
52314303210141241441
633415201020523401
72102536300406362
oct224465375153031
940137011376871
1010212022212121
113287992348114
12118b1a96b0561
13590cb30b8482
1427439bb70b69
1512a988a74231
hex949abf4d619

10212022212121 has 8 divisors (see below), whose sum is σ = 10429445798784. Its totient is φ = 9994604730480.

The previous prime is 10212022212109. The next prime is 10212022212199. The reversal of 10212022212121 is 12121222021201.

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 10212022212121 - 215 = 10212022179353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212022212221) 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, 1937611 + ... + 4917151.

It is an arithmetic number, because the mean of its divisors is an integer number (1303680724848).

Almost surely, 210212022212121 is an apocalyptic number.

It is an amenable number.

10212022212121 is a deficient number, since it is larger than the sum of its proper divisors (217423586663).

10212022212121 is an equidigital number, since it uses as much as digits as its factorization.

10212022212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052511.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212022212121 its reverse (12121222021201), we get a palindrome (22333244233322).

It can be divided in two parts, 1021202 and 2212121, that added together give a palindrome (3233323).

The spelling of 10212022212121 in words is "ten trillion, two hundred twelve billion, twenty-two million, two hundred twelve thousand, one hundred twenty-one".

Divisors: 1 47 72923 2979541 3427381 140038427 217277068343 10212022212121