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2120210000101 = 31120735665027
BaseRepresentation
bin11110110110100110010…
…111010010100011100101
321111200122002011120110001
4132312212113102203211
5234214142230000401
64302002214301301
7306115531434454
oct36664627224345
97450562146401
102120210000101
117481a32a9106
122a2ab2057831
13124c200c764b
1474893a5cb9b
153a241615601
hex1eda65d28e5

2120210000101 has 8 divisors (see below), whose sum is σ = 2188785538304. Its totient is φ = 2051645816160.

The previous prime is 2120210000071. The next prime is 2120210000159. The reversal of 2120210000101 is 1010000120212.

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 2120210000101 - 215 = 2120209967333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458251 + ... + 3206776.

It is an arithmetic number, because the mean of its divisors is an integer number (273598192288).

Almost surely, 22120210000101 is an apocalyptic number.

It is an amenable number.

2120210000101 is a deficient number, since it is larger than the sum of its proper divisors (68575538203).

2120210000101 is a wasteful number, since it uses less digits than its factorization.

2120210000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677131.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2120210000101 its reverse (1010000120212), we get a palindrome (3130210120313).

The spelling of 2120210000101 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred one", and thus it is an aban number.

Divisors: 1 31 12073 374263 5665027 175615837 68393870971 2120210000101