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1022121001001 = 7975717091467
BaseRepresentation
bin11101101111110110010…
…10001100000000101001
310121201021100222201010102
432313323022030000221
5113221300434013001
62101320024155145
7133563053105222
oct16677312140051
93551240881112
101022121001001
1136452a727401
12146116308ab5
1375502205249
14376842c4249
151b8c37e6e6b
hexedfb28c029

1022121001001 has 8 divisors (see below), whose sum is σ = 1036426619520. Its totient is φ = 1007849567088.

The previous prime is 1022121000913. The next prime is 1022121001007. The reversal of 1022121001001 is 1001001212201.

1022121001001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022121001001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022121001007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8485931 + ... + 8605536.

It is an arithmetic number, because the mean of its divisors is an integer number (129553327440).

Almost surely, 21022121001001 is an apocalyptic number.

It is an amenable number.

1022121001001 is a deficient number, since it is larger than the sum of its proper divisors (14305618519).

1022121001001 is an equidigital number, since it uses as much as digits as its factorization.

1022121001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092303.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022121001001 its reverse (1001001212201), we get a palindrome (2023122213202).

The spelling of 1022121001001 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one thousand, one".

Divisors: 1 79 757 59803 17091467 1350225893 12938240519 1022121001001