121021321102030 has 8 divisors (see below), whose sum is σ = 217838377983672. Its totient is φ = 48408528440808.

The previous prime is 121021321102009. The next prime is 121021321102039. The reversal of 121021321102030 is 30201123120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121021321102030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021321101989 and 121021321102007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021321102039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051066055092 + ... + 6051066055111.

It is an arithmetic number, because the mean of its divisors is an integer number (27229797247959).

Almost surely, 2^{121021321102030} is an apocalyptic number.

121021321102030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021321102030 is a deficient number, since it is larger than the sum of its proper divisors (96817056881642).

121021321102030 is a wasteful number, since it uses less digits than its factorization.

121021321102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12102132110210.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121021321102030 its reverse (30201123120121), we get a palindrome (151222444222151).

The spelling of 121021321102030 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred twenty-one million, one hundred two thousand, thirty".