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1020211010101 = 7939732529127
BaseRepresentation
bin11101101100010010101…
…00001001101000110101
310121112100021000010011201
432312021110021220311
5113203343004310401
62100402314332501
7133464531334513
oct16661124115065
93545307003151
101020211010101
1136373a577a28
1214588272a131
13752895b400a
14375427794b3
151b810cb3b01
hexed89509a35

1020211010101 has 8 divisors (see below), whose sum is σ = 1035727435520. Its totient is φ = 1004759643888.

The previous prime is 1020211010057. The next prime is 1020211010123. The reversal of 1020211010101 is 1010101120201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020211010101 - 227 = 1020076792373 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 (1020211010191) 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 7 ways as a sum of consecutive naturals, for example, 16233201 + ... + 16295926.

It is an arithmetic number, because the mean of its divisors is an integer number (129465929440).

Almost surely, 21020211010101 is an apocalyptic number.

It is an amenable number.

1020211010101 is a deficient number, since it is larger than the sum of its proper divisors (15516425419).

1020211010101 is an equidigital number, since it uses as much as digits as its factorization.

1020211010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32529603.

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

Adding to 1020211010101 its reverse (1010101120201), we get a palindrome (2030312130302).

The spelling of 1020211010101 in words is "one trillion, twenty billion, two hundred eleven million, ten thousand, one hundred one".

Divisors: 1 79 397 31363 32529127 2569801033 12914063419 1020211010101