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1210211201101 = 7227376061291
BaseRepresentation
bin10001100111000110001…
…101010111000001001101
311021200202200212212112211
4101213012031113001031
5124312003031413401
62323544030030421
7153302106323440
oct21470615270115
94250680785484
101210211201101
1142727a744671
12176669348411
138a178c81936
1442808747657
15217313b6951
hex119c635704d

1210211201101 has 8 divisors (see below), whose sum is σ = 1383707024064. Its totient is φ = 1036867505280.

The previous prime is 1210211201041. The next prime is 1210211201113. The reversal of 1210211201101 is 1011021120121.

It is a happy number.

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 1210211201101 - 227 = 1210076983373 is a prime.

It is a super-2 number, since 2×12102112011012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210211201131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38014735 + ... + 38046556.

It is an arithmetic number, because the mean of its divisors is an integer number (172963378008).

Almost surely, 21210211201101 is an apocalyptic number.

It is an amenable number.

1210211201101 is a deficient number, since it is larger than the sum of its proper divisors (173495822963).

1210211201101 is an equidigital number, since it uses as much as digits as its factorization.

1210211201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76063571.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210211201101 its reverse (1011021120121), we get a palindrome (2221232321222).

The spelling of 1210211201101 in words is "one trillion, two hundred ten billion, two hundred eleven million, two hundred one thousand, one hundred one".

Divisors: 1 7 2273 15911 76061291 532429037 172887314443 1210211201101