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1010021122001 = 7012191440379
BaseRepresentation
bin11101011001010011111…
…00110011111111010001
310120120001002221011112202
432230221330303333101
5113022010401401001
62051555225532545
7132654156612113
oct16545174637721
93516032834482
101010021122001
1135a390657201
121438ba044155
1374324470028
1436c573073b3
151b4163e796b
hexeb29f33fd1

1010021122001 has 4 divisors (see below), whose sum is σ = 1010023263600. Its totient is φ = 1010018980404.

The previous prime is 1010021121983. The next prime is 1010021122007. The reversal of 1010021122001 is 1002211200101.

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 1010021122001 - 214 = 1010021105617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010021122007) 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, 18971 + ... + 1421408.

It is an arithmetic number, because the mean of its divisors is an integer number (252505815900).

Almost surely, 21010021122001 is an apocalyptic number.

It is an amenable number.

1010021122001 is a deficient number, since it is larger than the sum of its proper divisors (2141599).

1010021122001 is an equidigital number, since it uses as much as digits as its factorization.

1010021122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141598.

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

Adding to 1010021122001 its reverse (1002211200101), we get a palindrome (2012232322102).

The spelling of 1010021122001 in words is "one trillion, ten billion, twenty-one million, one hundred twenty-two thousand, one".

Divisors: 1 701219 1440379 1010021122001