121102220105 has 8 divisors (see below), whose sum is σ = 147162192000. Its totient is φ = 95655424176.

The previous prime is 121102220077. The next prime is 121102220191. The reversal of 121102220105 is 501022201121.

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

It is a cyclic number.

It is not a de Polignac number, because 121102220105 - 2¹⁸ = 121101957961 is a prime.

It is a super-2 number, since 2×121102220105² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153293555 + ... + 153294344.

It is an arithmetic number, because the mean of its divisors is an integer number (18395274000).

Almost surely, 2^121102220105 is an apocalyptic number.

It is an amenable number.

121102220105 is a deficient number, since it is larger than the sum of its proper divisors (26059971895).

121102220105 is an equidigital number, since it uses as much as digits as its factorization.

121102220105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306587983.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 121102220105 its reverse (501022201121), we get a palindrome (622124421226).

The spelling of 121102220105 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty thousand, one hundred five".