10111101222 has 16 divisors (see below), whose sum is σ = 20768748912. Its totient is φ = 3279276000.

The previous prime is 10111101197. The next prime is 10111101233. The reversal of 10111101222 is 22210111101.

It is a junction number, because it is equal to n+sod(n) for n = 10111101198 and 10111101207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22772529 + ... + 22772972.

It is an arithmetic number, because the mean of its divisors is an integer number (1298046807).

Almost surely, 2^10111101222 is an apocalyptic number.

10111101222 is an abundant number, since it is smaller than the sum of its proper divisors (10657647690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111101222 is a wasteful number, since it uses less digits than its factorization.

10111101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45545543.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10111101222 its reverse (22210111101), we get a palindrome (32321212323).

It can be divided in two parts, 10111101 and 222, that multiplied together give a palindrome (2244664422).

The spelling of 10111101222 in words is "ten billion, one hundred eleven million, one hundred one thousand, two hundred twenty-two".