121111210020022 has 8 divisors (see below), whose sum is σ = 182100387382200. Its totient is φ = 60411080892624.

The previous prime is 121111210019959. The next prime is 121111210020083. The reversal of 121111210020022 is 220020012111121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121111210019978 and 121111210020005.

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, 72262057647 + ... + 72262059322.

It is an arithmetic number, because the mean of its divisors is an integer number (22762548422775).

Almost surely, 2^{121111210020022} is an apocalyptic number.

121111210020022 is a deficient number, since it is larger than the sum of its proper divisors (60989177362178).

121111210020022 is a wasteful number, since it uses less digits than its factorization.

121111210020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144524117390.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121111210020022 its reverse (220020012111121), we get a palindrome (341131222131143).

The spelling of 121111210020022 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred ten million, twenty thousand, twenty-two".