1011120221212 has 48 divisors (see below), whose sum is σ = 1934460864000. Its totient is φ = 460816020864.

The previous prime is 1011120221203. The next prime is 1011120221213. The reversal of 1011120221212 is 2121220211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011120221213) 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, 2188137 + ... + 2609632.

It is an arithmetic number, because the mean of its divisors is an integer number (40301268000).

Almost surely, 2^{1011120221212} is an apocalyptic number.

It is an amenable number.

1011120221212 is a deficient number, since it is larger than the sum of its proper divisors (923340642788).

1011120221212 is a wasteful number, since it uses less digits than its factorization.

1011120221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797898 (or 4797896 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011120221212 its reverse (2121220211101), we get a palindrome (3132340432313).

The spelling of 1011120221212 in words is "one trillion, eleven billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twelve".