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1022102201021 = 1159972167381
BaseRepresentation
bin11101101111110100000…
…10011110001010111101
310121201020001121120101212
432313322002132022331
5113221231130413041
62101314113214205
7133562434234616
oct16677202361275
93551201546355
101022102201021
11364520056730
1214610bb61365
13754cb3520b5
14376819ccc0d
151b8c1d318eb
hexedfa09e2bd

1022102201021 has 24 divisors (see below), whose sum is σ = 1145736485280. Its totient is φ = 904012684800.

The previous prime is 1022102200993. The next prime is 1022102201117. The reversal of 1022102201021 is 1201022012201.

It is not a de Polignac number, because 1022102201021 - 210 = 1022102199997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022102200987 and 1022102201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022102201921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6022751 + ... + 6190131.

It is an arithmetic number, because the mean of its divisors is an integer number (47739020220).

Almost surely, 21022102201021 is an apocalyptic number.

1022102201021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022102201021 is a deficient number, since it is larger than the sum of its proper divisors (123634284259).

1022102201021 is an equidigital number, since it uses as much as digits as its factorization.

1022102201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167645 (or 167548 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022102201021 its reverse (1201022012201), we get a palindrome (2223124213222).

The spelling of 1022102201021 in words is "one trillion, twenty-two billion, one hundred two million, two hundred one thousand, twenty-one".

Divisors: 1 11 59 97 649 1067 5723 9409 62953 103499 167381 555131 1841191 6106441 9875479 16235957 108630269 178595527 957921463 1574887829 10537136093 17323766119 92918381911 1022102201021