120202210121 has 12 divisors (see below), whose sum is σ = 139834793088. Its totient is φ = 103024768392.

The previous prime is 120202210111. The next prime is 120202210189. The reversal of 120202210121 is 121012202021.

It is not a de Polignac number, because 120202210121 - 2¹⁰ = 120202209097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202210096 and 120202210105.

It is not an unprimeable number, because it can be changed into a prime (120202210111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995780 + ... + 1109946.

It is an arithmetic number, because the mean of its divisors is an integer number (11652899424).

Almost surely, 2^120202210121 is an apocalyptic number.

It is an amenable number.

120202210121 is a deficient number, since it is larger than the sum of its proper divisors (19632582967).

120202210121 is a wasteful number, since it uses less digits than its factorization.

120202210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135668 (or 135661 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120202210121 its reverse (121012202021), we get a palindrome (241214412142).

The spelling of 120202210121 in words is "one hundred twenty billion, two hundred two million, two hundred ten thousand, one hundred twenty-one".