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211201121201 = 750957592099
BaseRepresentation
bin1100010010110010010…
…0010101101110110001
3202012010222011121011012
43010230210111232301
511430014441334301
6241005141000305
721154521624020
oct3045444255661
9665128147135
10211201121201
118162a588364
1234b229b3095
1316bbab04245
14a3179868b7
1557619deebb
hex312c915bb1

211201121201 has 8 divisors (see below), whose sum is σ = 241377854400. Its totient is φ = 181025674128.

The previous prime is 211201121179. The next prime is 211201121227. The reversal of 211201121201 is 102121102112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211201121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201121701) 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, 60650 + ... + 652748.

It is an arithmetic number, because the mean of its divisors is an integer number (30172231800).

Almost surely, 2211201121201 is an apocalyptic number.

It is an amenable number.

211201121201 is a deficient number, since it is larger than the sum of its proper divisors (30176733199).

211201121201 is an equidigital number, since it uses as much as digits as its factorization.

211201121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643063.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211201121201 its reverse (102121102112), we get a palindrome (313322223313).

The spelling of 211201121201 in words is "two hundred eleven billion, two hundred one million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 7 50957 356699 592099 4144693 30171588743 211201121201