120202001121 has 8 divisors (see below), whose sum is σ = 164600938624. Its totient is φ = 77968865520.

The previous prime is 120202001119. The next prime is 120202001131. The reversal of 120202001121 is 121100202021.

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

It is not a de Polignac number, because 120202001121 - 2¹ = 120202001119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202001097 and 120202001106.

It is not an unprimeable number, because it can be changed into a prime (120202001111) 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, 541450345 + ... + 541450566.

It is an arithmetic number, because the mean of its divisors is an integer number (20575117328).

Almost surely, 2^120202001121 is an apocalyptic number.

It is an amenable number.

120202001121 is a deficient number, since it is larger than the sum of its proper divisors (44398937503).

120202001121 is a wasteful number, since it uses less digits than its factorization.

120202001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082900951.

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

Adding to 120202001121 its reverse (121100202021), we get a palindrome (241302203142).

Subtracting 120202001121 from its reverse (121100202021), we obtain a square (898200900 = 29970²).

The spelling of 120202001121 in words is "one hundred twenty billion, two hundred two million, one thousand, one hundred twenty-one".