121102022220111 has 6 divisors (see below), whose sum is σ = 174925143206840. Its totient is φ = 80734681480068.

The previous prime is 121102022220083. The next prime is 121102022220139. The reversal of 121102022220111 is 111022220201121.

121102022220111 is a `hidden beast` number, since 1 + 211 + 0 + 20 + 222 + 201 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (121102022220083) and next prime (121102022220139).

It is not a de Polignac number, because 121102022220111 - 2¹⁷ = 121102022089039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102022220611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6727890123331 + ... + 6727890123348.

Almost surely, 2^{121102022220111} is an apocalyptic number.

121102022220111 is a deficient number, since it is larger than the sum of its proper divisors (53823120986729).

121102022220111 is a wasteful number, since it uses less digits than its factorization.

121102022220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455780246685 (or 13455780246682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121102022220111 its reverse (111022220201121), we get a palindrome (232124242421232).

The spelling of 121102022220111 in words is "one hundred twenty-one trillion, one hundred two billion, twenty-two million, two hundred twenty thousand, one hundred eleven".