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1020210220101 = 3794304684473
BaseRepresentation
bin11101101100010010100…
…01001000110001000101
310121112100012111222111110
432312021101020301011
5113203342304020401
62100402245355233
7133464521534352
oct16661121106105
93545305458443
101020210220101
1136373a088436
12145882408b19
1375289398567
1437542611629
151b810ba99d6
hexed89448c45

1020210220101 has 8 divisors (see below), whose sum is σ = 1377499031680. Its totient is φ = 671530777632.

The previous prime is 1020210220063. The next prime is 1020210220111. The reversal of 1020210220101 is 1010220120201.

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

It is not a de Polignac number, because 1020210220101 - 26 = 1020210220037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020210220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152342000 + ... + 2152342473.

It is an arithmetic number, because the mean of its divisors is an integer number (172187378960).

Almost surely, 21020210220101 is an apocalyptic number.

It is an amenable number.

1020210220101 is a deficient number, since it is larger than the sum of its proper divisors (357288811579).

1020210220101 is an equidigital number, since it uses as much as digits as its factorization.

1020210220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304684555.

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

Adding to 1020210220101 its reverse (1010220120201), we get a palindrome (2030430340302).

The spelling of 1020210220101 in words is "one trillion, twenty billion, two hundred ten million, two hundred twenty thousand, one hundred one".

Divisors: 1 3 79 237 4304684473 12914053419 340070073367 1020210220101