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1001022210001 = 1191002019091
BaseRepresentation
bin11101001000100011001…
…00101011111111010001
310112200210221220001222201
432210101210223333101
5112400043141210001
62043510244003201
7132215156252062
oct16442144537721
93480727801881
101001022210001
11356592a39450
12142008390501
137351bcb1028
14366420d6569
151b08b383501
hexe91192bfd1

1001022210001 has 4 divisors (see below), whose sum is σ = 1092024229104. Its totient is φ = 910020190900.

The previous prime is 1001022209969. The next prime is 1001022210007. The reversal of 1001022210001 is 1000122201001.

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 not a de Polignac number, because 1001022210001 - 25 = 1001022209969 is a prime.

It is a super-2 number, since 2×10010222100012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001022210001.

It is not an unprimeable number, because it can be changed into a prime (1001022210007) 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, 45501009535 + ... + 45501009556.

It is an arithmetic number, because the mean of its divisors is an integer number (273006057276).

Almost surely, 21001022210001 is an apocalyptic number.

1001022210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001022210001 is a deficient number, since it is larger than the sum of its proper divisors (91002019103).

1001022210001 is an equidigital number, since it uses as much as digits as its factorization.

1001022210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91002019102.

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

Adding to 1001022210001 its reverse (1000122201001), we get a palindrome (2001144411002).

The spelling of 1001022210001 in words is "one trillion, one billion, twenty-two million, two hundred ten thousand, one".

Divisors: 1 11 91002019091 1001022210001