121210210022 has 16 divisors (see below), whose sum is σ = 208783137600. Its totient is φ = 52195784040.

The previous prime is 121210210021. The next prime is 121210210027. The reversal of 121210210022 is 220012012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210209979 and 121210210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210210021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144987872 + ... + 144988707.

It is an arithmetic number, because the mean of its divisors is an integer number (13048946100).

Almost surely, 2^121210210022 is an apocalyptic number.

121210210022 is a deficient number, since it is larger than the sum of its proper divisors (87572927578).

121210210022 is a wasteful number, since it uses less digits than its factorization.

121210210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289976611.

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

Adding to 121210210022 its reverse (220012012121), we get a palindrome (341222222143).

The spelling of 121210210022 in words is "one hundred twenty-one billion, two hundred ten million, two hundred ten thousand, twenty-two".