121220012022110 has 16 divisors (see below), whose sum is σ = 220647662334000. Its totient is φ = 47943195765696.

The previous prime is 121220012022103. The next prime is 121220012022121. The reversal of 121220012022110 is 11220210022121.

It is a super-2 number, since 2×121220012022110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68101129460 + ... + 68101131239.

It is an arithmetic number, because the mean of its divisors is an integer number (13790478895875).

Almost surely, 2^{121220012022110} is an apocalyptic number.

121220012022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121220012022110 is a deficient number, since it is larger than the sum of its proper divisors (99427650311890).

121220012022110 is a wasteful number, since it uses less digits than its factorization.

121220012022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136202260795.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121220012022110 its reverse (11220210022121), we get a palindrome (132440222044231).

The spelling of 121220012022110 in words is "one hundred twenty-one trillion, two hundred twenty billion, twelve million, twenty-two thousand, one hundred ten".