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BaseRepresentation
bin110111111110100110…
…0011101111110000001
3102111021210010101210120
41233331030131332001
53432143234133441
6131120304450453
711453652214533
oct1577514357601
9374253111716
10120212021121
1146a88608795
121b36a919a29
13b44a0c015a
145b65577853
1531d88d6966
hex1bfd31df81

120212021121 has 8 divisors (see below), whose sum is σ = 160306199904. Its totient is φ = 80129594880.

The previous prime is 120212021117. The next prime is 120212021141. The reversal of 120212021121 is 121120212021.

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

It is not a de Polignac number, because 120212021121 - 22 = 120212021117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120212021121.

It is not an unprimeable number, because it can be changed into a prime (120212021141) 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 7 ways as a sum of consecutive naturals, for example, 2914240 + ... + 2955201.

It is an arithmetic number, because the mean of its divisors is an integer number (20038274988).

Almost surely, 2120212021121 is an apocalyptic number.

It is an amenable number.

120212021121 is a deficient number, since it is larger than the sum of its proper divisors (40094178783).

120212021121 is an equidigital number, since it uses as much as digits as its factorization.

120212021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876271.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120212021121 its reverse (121120212021), we get a palindrome (241332233142).

It can be divided in two parts, 120212021 and 121, that multiplied together give a palindrome (14545654541).

The spelling of 120212021121 in words is "one hundred twenty billion, two hundred twelve million, twenty-one thousand, one hundred twenty-one".