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120221222100101 = 251478969012351
BaseRepresentation
bin11011010101011100101111…
…001111001101110010000101
3120202200000222200012002212022
4123111130233033031302011
5111224201030324200401
61103404511134132525
734215460646050133
oct3325345717156205
9522600880162768
10120221222100101
1135340596795311
1211597818051145
135210a74385215
142198a4987a753
15dd736ac9971b
hex6d572f3cdc85

120221222100101 has 4 divisors (see below), whose sum is σ = 120700191112704. Its totient is φ = 119742253087500.

The previous prime is 120221222100047. The next prime is 120221222100131. The reversal of 120221222100101 is 101001222122021.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120221222100101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120221222100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221222100131) 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, 239484505925 + ... + 239484506426.

It is an arithmetic number, because the mean of its divisors is an integer number (30175047778176).

Almost surely, 2120221222100101 is an apocalyptic number.

It is an amenable number.

120221222100101 is a deficient number, since it is larger than the sum of its proper divisors (478969012603).

120221222100101 is an equidigital number, since it uses as much as digits as its factorization.

120221222100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478969012602.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120221222100101 its reverse (101001222122021), we get a palindrome (221222444222122).

The spelling of 120221222100101 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, one hundred one".

Divisors: 1 251 478969012351 120221222100101