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2221202130213 = 31167309155461
BaseRepresentation
bin100000010100101001111…
…101101100010100100101
321212100022101200100100110
4200110221331230110211
5242343010221131323
64420223422203233
7316322313405543
oct40245175542445
97770271610313
102221202130213
11787008772250
122ba598123519
131315c631a111
147971477cd93
153cba29c9793
hex20529f6c525

2221202130213 has 8 divisors (see below), whose sum is σ = 3230839462176. Its totient is φ = 1346183109200.

The previous prime is 2221202130167. The next prime is 2221202130221. The reversal of 2221202130213 is 3120312021222.

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 2221202130213 - 29 = 2221202129701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221202130213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221202130293) 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, 33654577698 + ... + 33654577763.

It is an arithmetic number, because the mean of its divisors is an integer number (403854932772).

Almost surely, 22221202130213 is an apocalyptic number.

It is an amenable number.

2221202130213 is a deficient number, since it is larger than the sum of its proper divisors (1009637331963).

2221202130213 is a wasteful number, since it uses less digits than its factorization.

2221202130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67309155475.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2221202130213 its reverse (3120312021222), we get a palindrome (5341514151435).

The spelling of 2221202130213 in words is "two trillion, two hundred twenty-one billion, two hundred two million, one hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 11 33 67309155461 201927466383 740400710071 2221202130213