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101222112211001 = 241420008764361
BaseRepresentation
bin10111000000111110011100…
…000010101011000000111001
3111021101201222001001100021222
4113000332130002223000321
5101231410341211223001
6555140444004441425
730215025205424615
oct2700763402530071
9437351861040258
10101222112211001
112a286069540711
12b4296346a9275
1344632868b0472
141add267d6a345
15ba80458a161b
hex5c0f9c0ab039

101222112211001 has 4 divisors (see below), whose sum is σ = 101642120975604. Its totient is φ = 100802103446400.

The previous prime is 101222112210959. The next prime is 101222112211043. The reversal of 101222112211001 is 100112211222101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (101222112210959) and next prime (101222112211043).

It can be written as a sum of positive squares in 2 ways, for example, as 36418388605225 + 64803723605776 = 6034765^2 + 8050076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101222112211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222112211091) 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, 210004381940 + ... + 210004382421.

It is an arithmetic number, because the mean of its divisors is an integer number (25410530243901).

Almost surely, 2101222112211001 is an apocalyptic number.

It is an amenable number.

101222112211001 is a deficient number, since it is larger than the sum of its proper divisors (420008764603).

101222112211001 is an equidigital number, since it uses as much as digits as its factorization.

101222112211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420008764602.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101222112211001 its reverse (100112211222101), we get a palindrome (201334323433102).

The spelling of 101222112211001 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, one".

Divisors: 1 241 420008764361 101222112211001