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1020101222001 = 3340033740667
BaseRepresentation
bin11101101100000101100…
…01010101111001110001
310121112001121102022012210
432312002301111321301
5113203131403101001
62100343353242333
7133462026214551
oct16660261257161
93545047368183
101020101222001
11363693600564
12145851a033a9
137526c924244
1437531d5b161
151b806328dd6
hexed82c55e71

1020101222001 has 4 divisors (see below), whose sum is σ = 1360134962672. Its totient is φ = 680067481332.

The previous prime is 1020101221967. The next prime is 1020101222009. The reversal of 1020101222001 is 1002221010201.

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 not a de Polignac number, because 1020101222001 - 211 = 1020101219953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020101222009) 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, 170016870331 + ... + 170016870336.

It is an arithmetic number, because the mean of its divisors is an integer number (340033740668).

Almost surely, 21020101222001 is an apocalyptic number.

It is an amenable number.

1020101222001 is a deficient number, since it is larger than the sum of its proper divisors (340033740671).

1020101222001 is an equidigital number, since it uses as much as digits as its factorization.

1020101222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340033740670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020101222001 its reverse (1002221010201), we get a palindrome (2022322232202).

The spelling of 1020101222001 in words is "one trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, one".

Divisors: 1 3 340033740667 1020101222001