121434020532021 has 8 divisors (see below), whose sum is σ = 163731263639040. Its totient is φ = 80046395556512.

The previous prime is 121434020531959. The next prime is 121434020532023. The reversal of 121434020532021 is 120235020434121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121434020532021 - 2³¹ = 121431873048373 is a prime.

It is a super-3 number, since 3×121434020532021³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121434020532021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121434020532023) 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, 227404532565 + ... + 227404533098.

It is an arithmetic number, because the mean of its divisors is an integer number (20466407954880).

Almost surely, 2^{121434020532021} is an apocalyptic number.

It is an amenable number.

121434020532021 is a deficient number, since it is larger than the sum of its proper divisors (42297243107019).

121434020532021 is an equidigital number, since it uses as much as digits as its factorization.

121434020532021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454809065755.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 121434020532021 its reverse (120235020434121), we get a palindrome (241669040966142).

The spelling of 121434020532021 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, twenty million, five hundred thirty-two thousand, twenty-one".