1011121001222 has 8 divisors (see below), whose sum is σ = 1531698150672. Its totient is φ = 500554951000.

The previous prime is 1011121001213. The next prime is 1011121001243. The reversal of 1011121001222 is 2221001211101.

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

It is a super-2 number, since 2×1011121001222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011121001197 and 1011121001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502774554 + ... + 2502774957.

It is an arithmetic number, because the mean of its divisors is an integer number (191462268834).

Almost surely, 2^{1011121001222} is an apocalyptic number.

1011121001222 is a deficient number, since it is larger than the sum of its proper divisors (520577149450).

1011121001222 is a wasteful number, since it uses less digits than its factorization.

1011121001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005549614.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011121001222 its reverse (2221001211101), we get a palindrome (3232122212323).

The spelling of 1011121001222 in words is "one trillion, eleven billion, one hundred twenty-one million, one thousand, two hundred twenty-two".