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1001002210001 = 3132290393871
BaseRepresentation
bin11101001000100000110…
…00011001001011010001
310112200202120020222010222
432210100120121023101
5112400023031210001
62043504251202425
7132214524253043
oct16442030311321
93480676228128
101001002210001
11356582719122
12142001746415
1373517aca901
143663d5aba93
151b08973261b
hexe9106192d1

1001002210001 has 4 divisors (see below), whose sum is σ = 1033292603904. Its totient is φ = 968711816100.

The previous prime is 1001002209973. The next prime is 1001002210057. The reversal of 1001002210001 is 1000122001001.

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 1001002210001 - 26 = 1001002209937 is a prime.

It is a super-2 number, since 2×10010022100012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001002210601) 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, 16145196905 + ... + 16145196966.

It is an arithmetic number, because the mean of its divisors is an integer number (258323150976).

Almost surely, 21001002210001 is an apocalyptic number.

It is an amenable number.

1001002210001 is a deficient number, since it is larger than the sum of its proper divisors (32290393903).

1001002210001 is an equidigital number, since it uses as much as digits as its factorization.

1001002210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32290393902.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1001002210001 its reverse (1000122001001), we get a palindrome (2001124211002).

The spelling of 1001002210001 in words is "one trillion, one billion, two million, two hundred ten thousand, one".

Divisors: 1 31 32290393871 1001002210001