1011121020212 has 24 divisors (see below), whose sum is σ = 1807336030080. Its totient is φ = 494741989440.

The previous prime is 1011121020191. The next prime is 1011121020263. The reversal of 1011121020212 is 2120201211101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188287 + ... + 1853177.

It is an arithmetic number, because the mean of its divisors is an integer number (75305667920).

Almost surely, 2^{1011121020212} is an apocalyptic number.

It is an amenable number.

1011121020212 is a deficient number, since it is larger than the sum of its proper divisors (796215009868).

1011121020212 is a wasteful number, since it uses less digits than its factorization.

1011121020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673031 (or 673029 counting only the distinct ones).

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

Adding to 1011121020212 its reverse (2120201211101), we get a palindrome (3131322231313).

The spelling of 1011121020212 in words is "one trillion, eleven billion, one hundred twenty-one million, twenty thousand, two hundred twelve".