10020012021111 has 16 divisors (see below), whose sum is σ = 13665057195744. Its totient is φ = 6528468271104.

The previous prime is 10020012021101. The next prime is 10020012021137. The reversal of 10020012021111 is 11112021002001.

It is not a de Polignac number, because 10020012021111 - 2¹⁹ = 10020011496823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020012021101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122564086 + ... + 122645811.

It is an arithmetic number, because the mean of its divisors is an integer number (854066074734).

Almost surely, 2^{10020012021111} is an apocalyptic number.

10020012021111 is a deficient number, since it is larger than the sum of its proper divisors (3645045174633).

10020012021111 is a wasteful number, since it uses less digits than its factorization.

10020012021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245210210.

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

Adding to 10020012021111 its reverse (11112021002001), we get a palindrome (21132033023112).

The spelling of 10020012021111 in words is "ten trillion, twenty billion, twelve million, twenty-one thousand, one hundred eleven".