1021012011011 has 8 divisors (see below), whose sum is σ = 1021763480400. Its totient is φ = 1020260734560.

The previous prime is 1021012011007. The next prime is 1021012011031. The reversal of 1021012011011 is 1101102101201.

1021012011011 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 1021012011011 - 2² = 1021012011007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021012010983 and 1021012011001.

It is not an unprimeable number, because it can be changed into a prime (1021012011031) 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, 11549285 + ... + 11637353.

It is an arithmetic number, because the mean of its divisors is an integer number (127720435050).

Almost surely, 2^{1021012011011} is an apocalyptic number.

1021012011011 is a deficient number, since it is larger than the sum of its proper divisors (751469389).

1021012011011 is an equidigital number, since it uses as much as digits as its factorization.

1021012011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96469.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1021012011011 its reverse (1101102101201), we get a palindrome (2122114112212).

It can be divided in two parts, 102101 and 2011011, that added together give a palindrome (2113112).

The spelling of 1021012011011 in words is "one trillion, twenty-one billion, twelve million, eleven thousand, eleven".