121102211110 has 8 divisors (see below), whose sum is σ = 217983980016. Its totient is φ = 48440884440.

The previous prime is 121102211057. The next prime is 121102211119. The reversal of 121102211110 is 11112201121.

It is a happy number.

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

It is a super-4 number, since 4×121102211110⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055110546 + ... + 6055110565.

It is an arithmetic number, because the mean of its divisors is an integer number (27247997502).

Almost surely, 2^121102211110 is an apocalyptic number.

121102211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102211110 is a deficient number, since it is larger than the sum of its proper divisors (96881768906).

121102211110 is a wasteful number, since it uses less digits than its factorization.

121102211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12110221118.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121102211110 its reverse (11112201121), we get a palindrome (132214412231).

The spelling of 121102211110 in words is "one hundred twenty-one billion, one hundred two million, two hundred eleven thousand, one hundred ten".