121220012010022 has 32 divisors (see below), whose sum is σ = 193433166001152. Its totient is φ = 56776285736064.

The previous prime is 121220012009927. The next prime is 121220012010023. The reversal of 121220012010022 is 220010210022121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121220012009978 and 121220012010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220012010023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717853 + ... + 16008199.

It is an arithmetic number, because the mean of its divisors is an integer number (6044786437536).

Almost surely, 2^{121220012010022} is an apocalyptic number.

121220012010022 is a deficient number, since it is larger than the sum of its proper divisors (72213153991130).

121220012010022 is a wasteful number, since it uses less digits than its factorization.

121220012010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291732.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121220012010022 its reverse (220010210022121), we get a palindrome (341230222032143).

The spelling of 121220012010022 in words is "one hundred twenty-one trillion, two hundred twenty billion, twelve million, ten thousand, twenty-two".