Search a number
-
+
2120101021201 = 5034214912567
BaseRepresentation
bin11110110110011111110…
…111100100011000010001
321111200100111002212111111
4132312133313210120101
5234213431330134301
64301543322413321
7306113036224642
oct36663767443021
97450314085444
102120101021201
117481478346a9
122a2a81661241
13124c0365bca7
14748833b16c9
153a236c8a551
hex1ed9fde4611

2120101021201 has 4 divisors (see below), whose sum is σ = 2124315934272. Its totient is φ = 2115886108132.

The previous prime is 2120101021177. The next prime is 2120101021211. The reversal of 2120101021201 is 1021201010212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2120101021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120101021211) 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, 2107455781 + ... + 2107456786.

It is an arithmetic number, because the mean of its divisors is an integer number (531078983568).

Almost surely, 22120101021201 is an apocalyptic number.

It is an amenable number.

2120101021201 is a deficient number, since it is larger than the sum of its proper divisors (4214913071).

2120101021201 is an equidigital number, since it uses as much as digits as its factorization.

2120101021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214913070.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2120101021201 its reverse (1021201010212), we get a palindrome (3141302031413).

The spelling of 2120101021201 in words is "two trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, two hundred one".

Divisors: 1 503 4214912567 2120101021201