121021000320022 has 128 divisors (see below), whose sum is σ = 217728218972160. Its totient is φ = 49826888348160.

The previous prime is 121021000320013. The next prime is 121021000320047. The reversal of 121021000320022 is 220023000120121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121021000319978 and 121021000320005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 662968479 + ... + 663150997.

It is an arithmetic number, because the mean of its divisors is an integer number (1701001710720).

Almost surely, 2^{121021000320022} is an apocalyptic number.

121021000320022 is a deficient number, since it is larger than the sum of its proper divisors (96707218652138).

121021000320022 is a wasteful number, since it uses less digits than its factorization.

121021000320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183226.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121021000320022 its reverse (220023000120121), we get a palindrome (341044000440143).

The spelling of 121021000320022 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred twenty thousand, twenty-two".