121210020122 has 16 divisors (see below), whose sum is σ = 184486636800. Its totient is φ = 59715500880.

The previous prime is 121210020121. The next prime is 121210020131. The reversal of 121210020122 is 221020012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210020097 and 121210020106.

It is not an unprimeable number, because it can be changed into a prime (121210020121) 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, 18722 + ... + 492717.

It is an arithmetic number, because the mean of its divisors is an integer number (11530414800).

Almost surely, 2^121210020122 is an apocalyptic number.

121210020122 is a deficient number, since it is larger than the sum of its proper divisors (63276616678).

121210020122 is a wasteful number, since it uses less digits than its factorization.

121210020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513181.

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

Adding to 121210020122 its reverse (221020012121), we get a palindrome (342230032243).

The spelling of 121210020122 in words is "one hundred twenty-one billion, two hundred ten million, twenty thousand, one hundred twenty-two".