10111221211022 has 16 divisors (see below), whose sum is σ = 15701202888192. Its totient is φ = 4878426882360.

The previous prime is 10111221210997. The next prime is 10111221211027. The reversal of 10111221211022 is 22011212211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111221211027) 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, 234970148 + ... + 235013175.

It is an arithmetic number, because the mean of its divisors is an integer number (981325180512).

Almost surely, 2^{10111221211022} is an apocalyptic number.

10111221211022 is a deficient number, since it is larger than the sum of its proper divisors (5589981677170).

10111221211022 is a wasteful number, since it uses less digits than its factorization.

10111221211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469983703.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10111221211022 its reverse (22011212211101), we get a palindrome (32122433422123).

The spelling of 10111221211022 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, two hundred eleven thousand, twenty-two".