1020121351401 has 8 divisors (see below), whose sum is σ = 1367209273120. Its totient is φ = 676557165312.

The previous prime is 1020121351391. The next prime is 1020121351477. The reversal of 1020121351401 is 1041531210201.

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

It is not a de Polignac number, because 1020121351401 - 2⁷ = 1020121351273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020121351481) 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, 880933231 + ... + 880934388.

It is an arithmetic number, because the mean of its divisors is an integer number (170901159140).

Almost surely, 2^{1020121351401} is an apocalyptic number.

It is an amenable number.

1020121351401 is a deficient number, since it is larger than the sum of its proper divisors (347087921719).

1020121351401 is a wasteful number, since it uses less digits than its factorization.

1020121351401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761867815.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 1020121351401 its reverse (1041531210201), we get a palindrome (2061652561602).

The spelling of 1020121351401 in words is "one trillion, twenty billion, one hundred twenty-one million, three hundred fifty-one thousand, four hundred one".