Search a number
-
+
1210222120101 = 3856614709347
BaseRepresentation
bin10001100111000110110…
…111000000110010100101
311021200210110102121121020
4101213012313000302211
5124312013330320401
62323545100041353
7153302301201321
oct21470667006245
94250713377536
101210222120101
11427285922235
12176670b33259
138a17b305897
1442809d8a981
1521732321d36
hex119c6dc0ca5

1210222120101 has 8 divisors (see below), whose sum is σ = 1613648673504. Its totient is φ = 806805156720.

The previous prime is 1210222120067. The next prime is 1210222120123. The reversal of 1210222120101 is 1010212220121.

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

It is not a de Polignac number, because 1210222120101 - 219 = 1210221595813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210220120101) 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, 2097691 + ... + 2611656.

It is an arithmetic number, because the mean of its divisors is an integer number (201706084188).

Almost surely, 21210222120101 is an apocalyptic number.

It is an amenable number.

1210222120101 is a deficient number, since it is larger than the sum of its proper divisors (403426553403).

1210222120101 is an equidigital number, since it uses as much as digits as its factorization.

1210222120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795011.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210222120101 its reverse (1010212220121), we get a palindrome (2220434340222).

The spelling of 1210222120101 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty thousand, one hundred one".

Divisors: 1 3 85661 256983 4709347 14128041 403407373367 1210222120101