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BaseRepresentation
bin110111111110111001…
…0111011001001101001
3102111022111002120022221
41233331302323021221
53432203324231441
6131121304514041
711454134002312
oct1577562731151
9374274076287
10120222102121
1146a932737a0
121b37217b921
13b44c20c844
145b66a3d609
1531d97288d1
hex1bfdcbb269

120222102121 has 8 divisors (see below), whose sum is σ = 138054088800. Its totient is φ = 103540566240.

The previous prime is 120222102107. The next prime is 120222102127. The reversal of 120222102121 is 121201222021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120222102121 - 25 = 120222102089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120222102095 and 120222102104.

It is not an unprimeable number, because it can be changed into a prime (120222102127) 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, 287612476 + ... + 287612893.

It is an arithmetic number, because the mean of its divisors is an integer number (17256761100).

Almost surely, 2120222102121 is an apocalyptic number.

120222102121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120222102121 is a deficient number, since it is larger than the sum of its proper divisors (17831986679).

120222102121 is a wasteful number, since it uses less digits than its factorization.

120222102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575225399.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120222102121 its reverse (121201222021), we get a palindrome (241423324142).

The spelling of 120222102121 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-one".