121103113030302 has 128 divisors (see below), whose sum is σ = 273934673026560. Its totient is φ = 35430838248960.

The previous prime is 121103113030259. The next prime is 121103113030309. The reversal of 121103113030302 is 203030311301121.

It is a happy number.

It is a super-2 number, since 2×121103113030302² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103113030309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559277568 + ... + 559494060.

It is an arithmetic number, because the mean of its divisors is an integer number (2140114633020).

Almost surely, 2^{121103113030302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121103113030302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136967336513280).

121103113030302 is an abundant number, since it is smaller than the sum of its proper divisors (152831559996258).

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

121103113030302 is a wasteful number, since it uses less digits than its factorization.

121103113030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220298.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121103113030302 its reverse (203030311301121), we get a palindrome (324133424331423).

The spelling of 121103113030302 in words is "one hundred twenty-one trillion, one hundred three billion, one hundred thirteen million, thirty thousand, three hundred two".