121221012012022 has 8 divisors (see below), whose sum is σ = 195818557865616. Its totient is φ = 55948159390152.

The previous prime is 121221012011963. The next prime is 121221012012097. The reversal of 121221012012022 is 220210210122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331173307898 + ... + 2331173307949.

It is an arithmetic number, because the mean of its divisors is an integer number (24477319733202).

Almost surely, 2^{121221012012022} is an apocalyptic number.

121221012012022 is a deficient number, since it is larger than the sum of its proper divisors (74597545853594).

121221012012022 is a wasteful number, since it uses less digits than its factorization.

121221012012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662346615862.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121221012012022 its reverse (220210210122121), we get a palindrome (341431222134143).

The spelling of 121221012012022 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twelve million, twelve thousand, twenty-two".