10020121020111 has 32 divisors (see below), whose sum is σ = 14080586964480. Its totient is φ = 6325696080000.

The previous prime is 10020121020109. The next prime is 10020121020209. The reversal of 10020121020111 is 11102012102001.

It is not a de Polignac number, because 10020121020111 - 2¹ = 10020121020109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020121020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68927460 + ... + 69072678.

It is an arithmetic number, because the mean of its divisors is an integer number (440018342640).

Almost surely, 2^{10020121020111} is an apocalyptic number.

10020121020111 is a deficient number, since it is larger than the sum of its proper divisors (4060465944369).

10020121020111 is a wasteful number, since it uses less digits than its factorization.

10020121020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155247.

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

Adding to 10020121020111 its reverse (11102012102001), we get a palindrome (21122133122112).

The spelling of 10020121020111 in words is "ten trillion, twenty billion, one hundred twenty-one million, twenty thousand, one hundred eleven".