10212222021111 has 12 divisors (see below), whose sum is σ = 16091986215240. Its totient is φ = 6189225467280.

The previous prime is 10212222021097. The next prime is 10212222021143. The reversal of 10212222021111 is 11112022221201.

10212222021111 is a `hidden beast` number, since 10 + 212 + 2 + 220 + 211 + 11 = 666.

It is not a de Polignac number, because 10212222021111 - 2¹¹ = 10212222019063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212222020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51576878796 + ... + 51576878993.

It is an arithmetic number, because the mean of its divisors is an integer number (1340998851270).

Almost surely, 2^{10212222021111} is an apocalyptic number.

10212222021111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10212222021111 is a deficient number, since it is larger than the sum of its proper divisors (5879764194129).

10212222021111 is a wasteful number, since it uses less digits than its factorization.

10212222021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103153757806 (or 103153757803 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10212222021111 its reverse (11112022221201), we get a palindrome (21324244242312).

The spelling of 10212222021111 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, twenty-one thousand, one hundred eleven".