10111202220212 has 6 divisors (see below), whose sum is σ = 17694603885378. Its totient is φ = 5055601110104.

The previous prime is 10111202220211. The next prime is 10111202220293. The reversal of 10111202220212 is 21202220211101.

It can be written as a sum of positive squares in only one way, i.e., 5663000646436 + 4448201573776 = 2379706^2 + 2109076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111202220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263900277523 + ... + 1263900277530.

It is an arithmetic number, because the mean of its divisors is an integer number (2949100647563).

Almost surely, 2^{10111202220212} is an apocalyptic number.

It is an amenable number.

10111202220212 is a deficient number, since it is larger than the sum of its proper divisors (7583401665166).

10111202220212 is a wasteful number, since it uses less digits than its factorization.

10111202220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527800555057 (or 2527800555055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10111202220212 its reverse (21202220211101), we get a palindrome (31313422431313).

The spelling of 10111202220212 in words is "ten trillion, one hundred eleven billion, two hundred two million, two hundred twenty thousand, two hundred twelve".