121403101032021 has 8 divisors (see below), whose sum is σ = 161871068776480. Its totient is φ = 80935266987792.

The previous prime is 121403101031977. The next prime is 121403101032041. The reversal of 121403101032021 is 120230101304121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121403101032021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121403101032041) 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, 31286791 + ... + 34952388.

It is an arithmetic number, because the mean of its divisors is an integer number (20233883597060).

Almost surely, 2^{121403101032021} is an apocalyptic number.

It is an amenable number.

121403101032021 is a deficient number, since it is larger than the sum of its proper divisors (40467967744459).

121403101032021 is an equidigital number, since it uses as much as digits as its factorization.

121403101032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66850115.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121403101032021 its reverse (120230101304121), we get a palindrome (241633202336142).

The spelling of 121403101032021 in words is "one hundred twenty-one trillion, four hundred three billion, one hundred one million, thirty-two thousand, twenty-one".