10020121012011 has 32 divisors (see below), whose sum is σ = 14611431744000. Its totient is φ = 6057506868480.

The previous prime is 10020121012001. The next prime is 10020121012039. The reversal of 10020121012011 is 11021012102001.

It is not a de Polignac number, because 10020121012011 - 2¹⁰ = 10020121010987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020121012001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342120810 + ... + 342150096.

It is an arithmetic number, because the mean of its divisors is an integer number (456607242000).

Almost surely, 2^{10020121012011} is an apocalyptic number.

10020121012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10020121012011 is a deficient number, since it is larger than the sum of its proper divisors (4591310731989).

10020121012011 is a wasteful number, since it uses less digits than its factorization.

10020121012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55059.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10020121012011 its reverse (11021012102001), we get a palindrome (21041133114012).

The spelling of 10020121012011 in words is "ten trillion, twenty billion, one hundred twenty-one million, twelve thousand, eleven".