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120011220331 = 277433253503
BaseRepresentation
bin110111111000100111…
…0011110010101101011
3102110202210021122220021
41233301032132111223
53431240333022311
6131044332541311
711445663353512
oct1576116362553
9373683248807
10120011220331
1146995229122
121b313621837
13b417615512
145b46a27679
1531c5e70171
hex1bf139e56b

120011220331 has 4 divisors (see below), whose sum is σ = 120444474112. Its totient is φ = 119577966552.

The previous prime is 120011220269. The next prime is 120011220349. The reversal of 120011220331 is 133022110021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120011220331 is a prime.

It is a super-2 number, since 2×1200112203312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120011220631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216626475 + ... + 216627028.

It is an arithmetic number, because the mean of its divisors is an integer number (30111118528).

Almost surely, 2120011220331 is an apocalyptic number.

120011220331 is a deficient number, since it is larger than the sum of its proper divisors (433253781).

120011220331 is an equidigital number, since it uses as much as digits as its factorization.

120011220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433253780.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120011220331 its reverse (133022110021), we get a palindrome (253033330352).

The spelling of 120011220331 in words is "one hundred twenty billion, eleven million, two hundred twenty thousand, three hundred thirty-one".

Divisors: 1 277 433253503 120011220331