1022222221101 has 16 divisors (see below), whose sum is σ = 1533099630720. Its totient is φ = 681481479276.

The previous prime is 1022222221091. The next prime is 1022222221133. The reversal of 1022222221101 is 1011222222201.

It is a happy number.

1022222221101 is a `hidden beast` number, since 10 + 222 + 222 + 211 + 0 + 1 = 666.

1022222221101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022222221101 - 2⁷ = 1022222220973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233702025 + ... + 233706398.

It is an arithmetic number, because the mean of its divisors is an integer number (95818726920).

Almost surely, 2^{1022222221101} is an apocalyptic number.

It is an amenable number.

1022222221101 is a deficient number, since it is larger than the sum of its proper divisors (510877409619).

1022222221101 is an frugal number, since it uses more digits than its factorization.

1022222221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467408444 (or 467408426 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022222221101 its reverse (1011222222201), we get a palindrome (2033444443302).

The spelling of 1022222221101 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".