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10211201201 = 61167396741
BaseRepresentation
bin10011000001010001…
…01001000010110001
3222100122011202201002
421200220221002301
5131403031414301
64405125251345
7511020530615
oct114050510261
928318152632
1010211201201
11436aa58663
121b8b863b55
13c69696cb6
146cc21d345
153eb6cb16b
hex260a290b1

10211201201 has 4 divisors (see below), whose sum is σ = 10378598004. Its totient is φ = 10043804400.

The previous prime is 10211201177. The next prime is 10211201239. The reversal of 10211201201 is 10210211201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10210211201 = 45472245483.

It can be written as a sum of positive squares in 2 ways, for example, as 1181640625 + 9029560576 = 34375^2 + 95024^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211201201 - 26 = 10211201137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211201401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83698310 + ... + 83698431.

It is an arithmetic number, because the mean of its divisors is an integer number (2594649501).

Almost surely, 210211201201 is an apocalyptic number.

It is an amenable number.

10211201201 is a deficient number, since it is larger than the sum of its proper divisors (167396803).

10211201201 is an equidigital number, since it uses as much as digits as its factorization.

10211201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167396802.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10211201201 its reverse (10210211201), we get a palindrome (20421412402).

The spelling of 10211201201 in words is "ten billion, two hundred eleven million, two hundred one thousand, two hundred one".

Divisors: 1 61 167396741 10211201201