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1012221010101 = 3748201000481
BaseRepresentation
bin11101011101011010001…
…00101110000010110101
310120202201102102001200210
432232231010232002311
5113041012034310401
62053001413100033
7133062531424050
oct16565504560265
93522642361623
101012221010101
1136030a40a744
12144212927619
13745b5162772
1436dc5555a97
151b4e45e14d6
hexebad12e0b5

1012221010101 has 8 divisors (see below), whose sum is σ = 1542432015424. Its totient is φ = 578412005760.

The previous prime is 1012221010067. The next prime is 1012221010121. The reversal of 1012221010101 is 1010101222101.

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

It is not a de Polignac number, because 1012221010101 - 210 = 1012221009077 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 (1012221010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24100500220 + ... + 24100500261.

It is an arithmetic number, because the mean of its divisors is an integer number (192804001928).

Almost surely, 21012221010101 is an apocalyptic number.

It is an amenable number.

1012221010101 is a deficient number, since it is larger than the sum of its proper divisors (530211005323).

1012221010101 is an equidigital number, since it uses as much as digits as its factorization.

1012221010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48201000491.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012221010101 its reverse (1010101222101), we get a palindrome (2022322232202).

The spelling of 1012221010101 in words is "one trillion, twelve billion, two hundred twenty-one million, ten thousand, one hundred one".

Divisors: 1 3 7 21 48201000481 144603001443 337407003367 1012221010101