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2211231313210 = 25221123131321
BaseRepresentation
bin100000001011010111101…
…010000010110100111010
321211101120111211100202211
4200023113222002310322
5242212100204010320
64411454201045334
7315520242020323
oct40132752026472
97741514740684
102211231313210
1178286147a917
122b8674a8684a
131306976a9aba
147904a45544a
153c7bc48355a
hex202d7a82d3a

2211231313210 has 8 divisors (see below), whose sum is σ = 3980216363796. Its totient is φ = 884492525280.

The previous prime is 2211231313201. The next prime is 2211231313219. The reversal of 2211231313210 is 123131321122.

It is an interprime number because it is at equal distance from previous prime (2211231313201) and next prime (2211231313219).

It can be written as a sum of positive squares in 2 ways, for example, as 2195900168449 + 15331144761 = 1481857^2 + 123819^2 .

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

It is a super-2 number, since 2×22112313132102 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211231313219) 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 3 ways as a sum of consecutive naturals, for example, 110561565651 + ... + 110561565670.

Almost surely, 22211231313210 is an apocalyptic number.

2211231313210 is a deficient number, since it is larger than the sum of its proper divisors (1768985050586).

2211231313210 is a wasteful number, since it uses less digits than its factorization.

2211231313210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221123131328.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2211231313210 its reverse (123131321122), we get a palindrome (2334362634332).

The spelling of 2211231313210 in words is "two trillion, two hundred eleven billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 221123131321 442246262642 1105615656605 2211231313210