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210002122112002 = 21110194510405991
BaseRepresentation
bin101111101111111011101101…
…111000111111110000000010
31000112120000011221222202210121
4233233323231320333300002
5210011133321230041002
62022345350522450454
762143103232432433
oct5757735570776002
91015500157882717
10210002122112002
1160a05444208540
121b677999963a2a
139024165c77a7c
1439c022a91748a
151942985466237
hexbefeede3fc02

210002122112002 has 16 divisors (see below), whose sum is σ = 347042210802624. Its totient is φ = 94510405990000.

The previous prime is 210002122111967. The next prime is 210002122112093. The reversal of 210002122112002 is 200211221200012.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47255200774 + ... + 47255205217.

It is an arithmetic number, because the mean of its divisors is an integer number (21690138175164).

Almost surely, 2210002122112002 is an apocalyptic number.

210002122112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210002122112002 is a deficient number, since it is larger than the sum of its proper divisors (137040088690622).

210002122112002 is a wasteful number, since it uses less digits than its factorization.

210002122112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94510406105.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210002122112002 its reverse (200211221200012), we get a palindrome (410213343312014).

The spelling of 210002122112002 in words is "two hundred ten trillion, two billion, one hundred twenty-two million, one hundred twelve thousand, two".

Divisors: 1 2 11 22 101 202 1111 2222 94510405991 189020811982 1039614465901 2079228931802 9545551005091 19091102010182 105001061056001 210002122112002