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101212021000101 = 31117749317279729
BaseRepresentation
bin10111000000110101000010…
…100011110000011110100101
3111021100202220202122201100010
4113000311002203300132211
5101231224204334000401
6555132054403040433
730214220142514644
oct2700650243603645
9437322822581303
10101212021000101
112a2818602985a0
12b427699070119
134462339038b5b
141adc98ba6335b
15ba7b549c7ed6
hex5c0d428f07a5

101212021000101 has 16 divisors (see below), whose sum is σ = 147218323037760. Its totient is φ = 61340269643520.

The previous prime is 101212021000061. The next prime is 101212021000121. The reversal of 101212021000101 is 101000120212101.

It is not a de Polignac number, because 101212021000101 - 227 = 101211886782373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212021000121) 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, 2782596 + ... + 14497133.

It is an arithmetic number, because the mean of its divisors is an integer number (9201145189860).

Almost surely, 2101212021000101 is an apocalyptic number.

101212021000101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101212021000101 is a deficient number, since it is larger than the sum of its proper divisors (46006302037659).

101212021000101 is a wasteful number, since it uses less digits than its factorization.

101212021000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17457236.

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

Adding to 101212021000101 its reverse (101000120212101), we get a palindrome (202212141212202).

The spelling of 101212021000101 in words is "one hundred one trillion, two hundred twelve billion, twenty-one million, one hundred one", and thus it is an aban number.

Divisors: 1 3 11 33 177493 532479 1952423 5857269 17279729 51839187 190077019 570231057 3067030939397 9201092818191 33737340333367 101212021000101