1011021112222 has 24 divisors (see below), whose sum is σ = 1683435816216. Its totient is φ = 455004990000.

The previous prime is 1011021112207. The next prime is 1011021112229. The reversal of 1011021112222 is 2222111201101.

It is a junction number, because it is equal to n+sod(n) for n = 1011021112196 and 1011021112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011021112229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20657604 + ... + 20706487.

It is an arithmetic number, because the mean of its divisors is an integer number (70143159009).

Almost surely, 2^{1011021112222} is an apocalyptic number.

1011021112222 is a deficient number, since it is larger than the sum of its proper divisors (672414703994).

1011021112222 is a wasteful number, since it uses less digits than its factorization.

1011021112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41364216 (or 41364205 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011021112222 its reverse (2222111201101), we get a palindrome (3233132313323).

The spelling of 1011021112222 in words is "one trillion, eleven billion, twenty-one million, one hundred twelve thousand, two hundred twenty-two".