10111000220212 has 24 divisors (see below), whose sum is σ = 18735633039816. Its totient is φ = 4757979491328.

The previous prime is 10111000220159. The next prime is 10111000220219. The reversal of 10111000220212 is 21202200011101.

It can be written as a sum of positive squares in 4 ways, for example, as 1248685562916 + 8862314657296 = 1117446^2 + 2976964^2 .

It is a super-2 number, since 2×10111000220212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10111000220192 and 10111000220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111000220219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216168 + ... + 4502080.

It is an arithmetic number, because the mean of its divisors is an integer number (780651376659).

Almost surely, 2^{10111000220212} is an apocalyptic number.

It is an amenable number.

10111000220212 is a deficient number, since it is larger than the sum of its proper divisors (8624632819604).

10111000220212 is a wasteful number, since it uses less digits than its factorization.

10111000220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320627 (or 4320625 counting only the distinct ones).

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

Adding to 10111000220212 its reverse (21202200011101), we get a palindrome (31313200231313).

The spelling of 10111000220212 in words is "ten trillion, one hundred eleven billion, two hundred twenty thousand, two hundred twelve".