121202021210210 has 16 divisors (see below), whose sum is σ = 218199455664192. Its totient is φ = 48472849042800.

The previous prime is 121202021210209. The next prime is 121202021210219. The reversal of 121202021210210 is 12012120202121.

It is not an unprimeable number, because it can be changed into a prime (121202021210219) 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, 994866206 + ... + 994988025.

It is an arithmetic number, because the mean of its divisors is an integer number (13637465979012).

Almost surely, 2^{121202021210210} is an apocalyptic number.

121202021210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121202021210210 is a deficient number, since it is larger than the sum of its proper divisors (96997434453982).

121202021210210 is a wasteful number, since it uses less digits than its factorization.

121202021210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989860329.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121202021210210 its reverse (12012120202121), we get a palindrome (133214141412331).

The spelling of 121202021210210 in words is "one hundred twenty-one trillion, two hundred two billion, twenty-one million, two hundred ten thousand, two hundred ten".