121012201103020 has 96 divisors (see below), whose sum is σ = 264744677546496. Its totient is φ = 46411343462400.

The previous prime is 121012201102901. The next prime is 121012201103033. The reversal of 121012201103020 is 20301102210121.

It is a junction number, because it is equal to n+sod(n) for n = 121012201102985 and 121012201103003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185824380 + ... + 186474460.

It is an arithmetic number, because the mean of its divisors is an integer number (2757757057776).

Almost surely, 2^{121012201103020} is an apocalyptic number.

121012201103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121012201103020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132372338773248).

121012201103020 is an abundant number, since it is smaller than the sum of its proper divisors (143732476443476).

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

121012201103020 is a wasteful number, since it uses less digits than its factorization.

121012201103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652891 (or 652889 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121012201103020 its reverse (20301102210121), we get a palindrome (141313303313141).

The spelling of 121012201103020 in words is "one hundred twenty-one trillion, twelve billion, two hundred one million, one hundred three thousand, twenty".