1020011020121 has 8 divisors (see below), whose sum is σ = 1021768767360. Its totient is φ = 1018253910352.

The previous prime is 1020011020057. The next prime is 1020011020141. The reversal of 1020011020121 is 1210201100201.

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 1020011020121 - 2⁶ = 1020011020057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020011020141) 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, 3100871 + ... + 3414003.

It is an arithmetic number, because the mean of its divisors is an integer number (127721095920).

Almost surely, 2^{1020011020121} is an apocalyptic number.

It is an amenable number.

1020011020121 is a deficient number, since it is larger than the sum of its proper divisors (1757747239).

1020011020121 is an equidigital number, since it uses as much as digits as its factorization.

1020011020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318735.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020011020121 its reverse (1210201100201), we get a palindrome (2230212120322).

The spelling of 1020011020121 in words is "one trillion, twenty billion, eleven million, twenty thousand, one hundred twenty-one".