1011012122222 has 4 divisors (see below), whose sum is σ = 1516518183336. Its totient is φ = 505506061110.

The previous prime is 1011012122167. The next prime is 1011012122233. The reversal of 1011012122222 is 2222212101101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1011012122222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1011012122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252753030554 + ... + 252753030557.

It is an arithmetic number, because the mean of its divisors is an integer number (379129545834).

Almost surely, 2^{1011012122222} is an apocalyptic number.

1011012122222 is a deficient number, since it is larger than the sum of its proper divisors (505506061114).

1011012122222 is an equidigital number, since it uses as much as digits as its factorization.

1011012122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505506061113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1011012122222 its reverse (2222212101101), we get a palindrome (3233224223323).

The spelling of 1011012122222 in words is "one trillion, eleven billion, twelve million, one hundred twenty-two thousand, two hundred twenty-two".