1011021312213 has 12 divisors (see below), whose sum is σ = 1593124492128. Its totient is φ = 612740189160.

The previous prime is 1011021312193. The next prime is 1011021312251. The reversal of 1011021312213 is 3122131201101.

1011021312213 is a `hidden beast` number, since 10 + 110 + 21 + 312 + 213 = 666.

It is not a de Polignac number, because 1011021312213 - 2²² = 1011017117909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011021312013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5106168145 + ... + 5106168342.

It is an arithmetic number, because the mean of its divisors is an integer number (132760374344).

Almost surely, 2^{1011021312213} is an apocalyptic number.

It is an amenable number.

1011021312213 is a deficient number, since it is larger than the sum of its proper divisors (582103179915).

1011021312213 is a wasteful number, since it uses less digits than its factorization.

1011021312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212336504 (or 10212336501 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1011021312213 its reverse (3122131201101), we get a palindrome (4133152513314).

The spelling of 1011021312213 in words is "one trillion, eleven billion, twenty-one million, three hundred twelve thousand, two hundred thirteen".