1011222212222 has 8 divisors (see below), whose sum is σ = 1565763425472. Its totient is φ = 489301070400.

The previous prime is 1011222212171. The next prime is 1011222212227. The reversal of 1011222212222 is 2222122221101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1011222212194 and 1011222212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011222212227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8155017779 + ... + 8155017902.

It is an arithmetic number, because the mean of its divisors is an integer number (195720428184).

Almost surely, 2^{1011222212222} is an apocalyptic number.

1011222212222 is a deficient number, since it is larger than the sum of its proper divisors (554541213250).

1011222212222 is a wasteful number, since it uses less digits than its factorization.

1011222212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310035714.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1011222212222 its reverse (2222122221101), we get a palindrome (3233344433323).

The spelling of 1011222212222 in words is "one trillion, eleven billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twenty-two".