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20101011201201 = 37957191009581
BaseRepresentation
bin1001001001000001000011…
…01000011101110010110001
32122011122020000212012011210
410210200201220131302301
510113313332331414301
6110430135502430333
74143151540042560
oct444404150356261
978148200765153
1020101011201201
11644a877877607
122307863b923a9
13b2a695452b88
144d6c73703bd7
1524cd17c65ad6
hex124821a1dcb1

20101011201201 has 8 divisors (see below), whose sum is σ = 30630112306624. Its totient is φ = 11486292114960.

The previous prime is 20101011201197. The next prime is 20101011201263. The reversal of 20101011201201 is 10210211010102.

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

It is not a de Polignac number, because 20101011201201 - 22 = 20101011201197 is a prime.

It is a super-3 number, since 3×201010112012013 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101011201281) 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, 478595504770 + ... + 478595504811.

It is an arithmetic number, because the mean of its divisors is an integer number (3828764038328).

Almost surely, 220101011201201 is an apocalyptic number.

20101011201201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20101011201201 is a deficient number, since it is larger than the sum of its proper divisors (10529101105423).

20101011201201 is an equidigital number, since it uses as much as digits as its factorization.

20101011201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957191009591.

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

Adding to 20101011201201 its reverse (10210211010102), we get a palindrome (30311222211303).

The spelling of 20101011201201 in words is "twenty trillion, one hundred one billion, eleven million, two hundred one thousand, two hundred one".

Divisors: 1 3 7 21 957191009581 2871573028743 6700337067067 20101011201201