1011021119993 has 2 divisors, whose sum is σ = 1011021119994. Its totient is φ = 1011021119992.

The previous prime is 1011021119957. The next prime is 1011021120073. The reversal of 1011021119993 is 3999111201101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690408104464 + 320613015529 = 830908^2 + 566227^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011021119993 - 2¹⁰ = 1011021118969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011021110993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510559996 + 505510559997.

It is an arithmetic number, because the mean of its divisors is an integer number (505510559997).

Almost surely, 2^{1011021119993} is an apocalyptic number.

It is an amenable number.

1011021119993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011021119993 is an equidigital number, since it uses as much as digits as its factorization.

1011021119993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 38.

The spelling of 1011021119993 in words is "one trillion, eleven billion, twenty-one million, one hundred nineteen thousand, nine hundred ninety-three".