121102202111102 has 16 divisors (see below), whose sum is σ = 181969253989632. Its totient is φ = 60445785415680.

The previous prime is 121102202111101. The next prime is 121102202111129. The reversal of 121102202111102 is 201111202201121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102202111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344804702 + ... + 345155742.

It is an arithmetic number, because the mean of its divisors is an integer number (11373078374352).

Almost surely, 2^{121102202111102} is an apocalyptic number.

121102202111102 is a deficient number, since it is larger than the sum of its proper divisors (60867051878530).

121102202111102 is a wasteful number, since it uses less digits than its factorization.

121102202111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650563.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121102202111102 its reverse (201111202201121), we get a palindrome (322213404312223).

The spelling of 121102202111102 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred two million, one hundred eleven thousand, one hundred two".