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101220120120001 = 415714323613691
BaseRepresentation
bin10111000000111100100101…
…010011011100101011000001
3111021101112211012120122011211
4113000330211103130223001
5101231342301222320001
6555135514203210121
730214624636063261
oct2700744523345301
9437345735518154
10101220120120001
112a285237006213
12b429179516941
134463029c74cac
141add11956d7a1
15ba7e7aa52351
hex5c0f254dcac1

101220120120001 has 8 divisors (see below), whose sum is σ = 103870495336608. Its totient is φ = 98578392132000.

The previous prime is 101220120119939. The next prime is 101220120120011. The reversal of 101220120120001 is 100021021022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101220120120001 - 235 = 101185760381633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220120120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161783435 + ... + 2161830256.

It is an arithmetic number, because the mean of its divisors is an integer number (12983811917076).

Almost surely, 2101220120120001 is an apocalyptic number.

It is an amenable number.

101220120120001 is a deficient number, since it is larger than the sum of its proper divisors (2650375216607).

101220120120001 is an equidigital number, since it uses as much as digits as its factorization.

101220120120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323614303.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101220120120001 its reverse (100021021022101), we get a palindrome (201241141142102).

The spelling of 101220120120001 in words is "one hundred one trillion, two hundred twenty billion, one hundred twenty million, one hundred twenty thousand, one".

Divisors: 1 41 571 23411 4323613691 177268161331 2468783417561 101220120120001