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120022101021 = 340007367007
BaseRepresentation
bin110111111000111011…
…1111110110000011101
3102110210112202110101210
41233301313332300131
53431301124213041
6131045402055033
711446155011604
oct1576167766035
9373715673353
10120022101021
11469a038aa29
121b3171aa479
13b419954bb4
145b4825aa3b
1531c6dbe016
hex1bf1dfec1d

120022101021 has 4 divisors (see below), whose sum is σ = 160029468032. Its totient is φ = 80014734012.

The previous prime is 120022100999. The next prime is 120022101061. The reversal of 120022101021 is 120101220021.

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 not a de Polignac number, because 120022101021 - 27 = 120022100893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120022100988 and 120022101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022101061) 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, 20003683501 + ... + 20003683506.

It is an arithmetic number, because the mean of its divisors is an integer number (40007367008).

Almost surely, 2120022101021 is an apocalyptic number.

It is an amenable number.

120022101021 is a deficient number, since it is larger than the sum of its proper divisors (40007367011).

120022101021 is an equidigital number, since it uses as much as digits as its factorization.

120022101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40007367010.

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

Adding to 120022101021 its reverse (120101220021), we get a palindrome (240123321042).

The spelling of 120022101021 in words is "one hundred twenty billion, twenty-two million, one hundred one thousand, twenty-one".

Divisors: 1 3 40007367007 120022101021