10212220111 has 32 divisors (see below), whose sum is σ = 11059200000. Its totient is φ = 9401689440.

The previous prime is 10212220097. The next prime is 10212220141. The reversal of 10212220111 is 11102221201.

It is not a de Polignac number, because 10212220111 - 2⁵ = 10212220079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212220091 and 10212220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212220141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51317590 + ... + 51317788.

It is an arithmetic number, because the mean of its divisors is an integer number (345600000).

Almost surely, 2^10212220111 is an apocalyptic number.

10212220111 is a deficient number, since it is larger than the sum of its proper divisors (846979889).

10212220111 is a wasteful number, since it uses less digits than its factorization.

10212220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10212220111 its reverse (11102221201), we get a palindrome (21314441312).

The spelling of 10212220111 in words is "ten billion, two hundred twelve million, two hundred twenty thousand, one hundred eleven".