10020212211111 has 16 divisors (see below), whose sum is σ = 13365547353600. Its totient is φ = 6677509598208.

The previous prime is 10020212211071. The next prime is 10020212211127. The reversal of 10020212211111 is 11111221202001.

It is a happy number.

It is not a de Polignac number, because 10020212211111 - 2⁶ = 10020212211047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020212281111) 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, 164081895 + ... + 164142951.

It is an arithmetic number, because the mean of its divisors is an integer number (835346709600).

Almost surely, 2^{10020212211111} is an apocalyptic number.

10020212211111 is a deficient number, since it is larger than the sum of its proper divisors (3345335142489).

10020212211111 is a wasteful number, since it uses less digits than its factorization.

10020212211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81718.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10020212211111 its reverse (11111221202001), we get a palindrome (21131433413112).

The spelling of 10020212211111 in words is "ten trillion, twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred eleven".