121121102 has 4 divisors (see below), whose sum is σ = 181681656. Its totient is φ = 60560550.

The previous prime is 121121083. The next prime is 121121113. The reversal of 121121102 is 201121121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201121121 = 2017 ⋅99713.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30280274 + ... + 30280277.

It is an arithmetic number, because the mean of its divisors is an integer number (45420414).

Almost surely, 2^121121102 is an apocalyptic number.

121121102 is a deficient number, since it is larger than the sum of its proper divisors (60560554).

121121102 is an equidigital number, since it uses as much as digits as its factorization.

121121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60560553.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 121121102 is about 11005.5032597333. The cubic root of 121121102 is about 494.7736978686.

Adding to 121121102 its reverse (201121121), we get a palindrome (322242223).

The spelling of 121121102 in words is "one hundred twenty-one million, one hundred twenty-one thousand, one hundred two".