121022101202118 has 16 divisors (see below), whose sum is σ = 242044515388416. Its totient is φ = 40340648236680.

The previous prime is 121022101202117. The next prime is 121022101202179. The reversal of 121022101202118 is 811202101220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022101202111) 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, 7855678 + ... + 17428593.

It is an arithmetic number, because the mean of its divisors is an integer number (15127782211776).

Almost surely, 2^{121022101202118} is an apocalyptic number.

121022101202118 is an abundant number, since it is smaller than the sum of its proper divisors (121022414186298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022101202118 is a wasteful number, since it uses less digits than its factorization.

121022101202118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26082019.

The product of its (nonzero) digits is 256, while the sum is 24.

Adding to 121022101202118 its reverse (811202101220121), we get a palindrome (932224202422239).

The spelling of 121022101202118 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred one million, two hundred two thousand, one hundred eighteen".