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12101000021211 = 321155273458821
BaseRepresentation
bin1011000000010111101111…
…0011101100010011011011
31120211211210111102210020210
42300011323303230103123
53041230322001134321
641423042255022203
72356161030020523
oct260057363542333
946754714383223
1012101000021211
113946007048712
12143530850a963
1369a17244604a
142db997794683
1515eb94d42b76
hexb017bcec4db

12101000021211 has 16 divisors (see below), whose sum is σ = 16214072077568. Its totient is φ = 8027644514400.

The previous prime is 12101000021191. The next prime is 12101000021249. The reversal of 12101000021211 is 11212000010121.

It is not a de Polignac number, because 12101000021211 - 214 = 12101000004827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101000021111) 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, 1769181 + ... + 5228001.

It is an arithmetic number, because the mean of its divisors is an integer number (1013379504848).

Almost surely, 212101000021211 is an apocalyptic number.

12101000021211 is a deficient number, since it is larger than the sum of its proper divisors (4113072056357).

12101000021211 is a wasteful number, since it uses less digits than its factorization.

12101000021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464562.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101000021211 its reverse (11212000010121), we get a palindrome (23313000031332).

The spelling of 12101000021211 in words is "twelve trillion, one hundred one billion, twenty-one thousand, two hundred eleven".

Divisors: 1 3 211 633 5527 16581 1166197 3458821 3498591 10376463 729811231 2189433693 19116903667 57350711001 4033666673737 12101000021211