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1020101120101 = 7145728731443
BaseRepresentation
bin11101101100000101100…
…00111101000001100101
310121112001121020010102201
432312002300331001211
5113203131341320401
62100343351134501
7133462025311510
oct16660260750145
93545047203381
101020101120101
11363693540a48
12145851974431
137526c8b9a4b
1437531d31d77
151b806308b01
hexed82c3d065

1020101120101 has 4 divisors (see below), whose sum is σ = 1165829851552. Its totient is φ = 874372388652.

The previous prime is 1020101120069. The next prime is 1020101120173. The reversal of 1020101120101 is 1010211010201.

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 1020101120101 - 25 = 1020101120069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101126101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72864365715 + ... + 72864365728.

It is an arithmetic number, because the mean of its divisors is an integer number (291457462888).

Almost surely, 21020101120101 is an apocalyptic number.

It is an amenable number.

1020101120101 is a deficient number, since it is larger than the sum of its proper divisors (145728731451).

1020101120101 is an equidigital number, since it uses as much as digits as its factorization.

1020101120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145728731450.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020101120101 its reverse (1010211010201), we get a palindrome (2030312130302).

The spelling of 1020101120101 in words is "one trillion, twenty billion, one hundred one million, one hundred twenty thousand, one hundred one".

Divisors: 1 7 145728731443 1020101120101