1021011111213 has 8 divisors (see below), whose sum is σ = 1408291188000. Its totient is φ = 657202554288.

The previous prime is 1021011111181. The next prime is 1021011111223. The reversal of 1021011111213 is 3121111101201.

1021011111213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1021011111213 - 2⁵ = 1021011111181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021011111192 and 1021011111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021011111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5867879863 + ... + 5867880036.

It is an arithmetic number, because the mean of its divisors is an integer number (176036398500).

Almost surely, 2^{1021011111213} is an apocalyptic number.

It is an amenable number.

1021011111213 is a deficient number, since it is larger than the sum of its proper divisors (387280076787).

1021011111213 is a wasteful number, since it uses less digits than its factorization.

1021011111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11735759931.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1021011111213 its reverse (3121111101201), we get a palindrome (4142122212414).

The spelling of 1021011111213 in words is "one trillion, twenty-one billion, eleven million, one hundred eleven thousand, two hundred thirteen".