10020212111111 has 4 divisors (see below), whose sum is σ = 10020413851824. Its totient is φ = 10020010370400.

The previous prime is 10020212111027. The next prime is 10020212111123. The reversal of 10020212111111 is 11111121202001.

10020212111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10020212111111 - 2¹⁸ = 10020211848967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020212111411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100795835 + ... + 100895196.

It is an arithmetic number, because the mean of its divisors is an integer number (2505103462956).

Almost surely, 2^{10020212111111} is an apocalyptic number.

10020212111111 is a deficient number, since it is larger than the sum of its proper divisors (201740713).

10020212111111 is an equidigital number, since it uses as much as digits as its factorization.

10020212111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201740712.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10020212111111 its reverse (11111121202001), we get a palindrome (21131333313112).

The spelling of 10020212111111 in words is "ten trillion, twenty billion, two hundred twelve million, one hundred eleven thousand, one hundred eleven".