1011120202021 has 8 divisors (see below), whose sum is σ = 1023954752000. Its totient is φ = 998286541200.

The previous prime is 1011120201991. The next prime is 1011120202039. The reversal of 1011120202021 is 1202020211101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011120202021 - 2¹³ = 1011120193829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011120201992 and 1011120202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011120202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238196 + ... + 2651746.

It is an arithmetic number, because the mean of its divisors is an integer number (127994344000).

Almost surely, 2^{1011120202021} is an apocalyptic number.

It is an amenable number.

1011120202021 is a deficient number, since it is larger than the sum of its proper divisors (12834549979).

1011120202021 is an equidigital number, since it uses as much as digits as its factorization.

1011120202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444579.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011120202021 its reverse (1202020211101), we get a palindrome (2213140413122).

The spelling of 1011120202021 in words is "one trillion, eleven billion, one hundred twenty million, two hundred two thousand, twenty-one".