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20220102000121 = 1723926571873031
BaseRepresentation
bin1001001100011110110111…
…11111110011110111111001
32122121000121200012121021011
410212033123333303313321
510122241232103000441
6111000553035513521
74154565656115142
oct446173377636771
978530550177234
1020220102000121
11649632a495481
12232695b2b88a1
13b3899417182a
144dc92ddb6ac9
15250e87ec3581
hex1263dbff3df9

20220102000121 has 16 divisors (see below), whose sum is σ = 21507202321920. Its totient is φ = 18943915325440.

The previous prime is 20220102000067. The next prime is 20220102000143. The reversal of 20220102000121 is 12100020102202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-20220102000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220102003121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9858876 + ... + 11731906.

It is an arithmetic number, because the mean of its divisors is an integer number (1344200145120).

Almost surely, 220220102000121 is an apocalyptic number.

It is an amenable number.

20220102000121 is a deficient number, since it is larger than the sum of its proper divisors (1287100321799).

20220102000121 is a wasteful number, since it uses less digits than its factorization.

20220102000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875944.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220102000121 its reverse (12100020102202), we get a palindrome (32320122102323).

The spelling of 20220102000121 in words is "twenty trillion, two hundred twenty billion, one hundred two million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 17 239 2657 4063 45169 635023 1873031 10795391 31841527 447654409 4976643367 7610124953 84602937239 1189417764713 20220102000121