1011120221222 has 4 divisors (see below), whose sum is σ = 1516680331836. Its totient is φ = 505560110610.

The previous prime is 1011120221213. The next prime is 1011120221257. The reversal of 1011120221222 is 2221220211101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1011120221222.

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, 252780055304 + ... + 252780055307.

It is an arithmetic number, because the mean of its divisors is an integer number (379170082959).

Almost surely, 2^{1011120221222} is an apocalyptic number.

1011120221222 is a deficient number, since it is larger than the sum of its proper divisors (505560110614).

1011120221222 is an equidigital number, since it uses as much as digits as its factorization.

1011120221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505560110613.

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

Adding to 1011120221222 its reverse (2221220211101), we get a palindrome (3232340432323).

The spelling of 1011120221222 in words is "one trillion, eleven billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".