11012011101021 has 24 divisors (see below), whose sum is σ = 17081087919840. Its totient is φ = 6292123152672.

The previous prime is 11012011100963. The next prime is 11012011101031. The reversal of 11012011101021 is 12010111021011.

It is not a de Polignac number, because 11012011101021 - 2³³ = 11003421166429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012011100988 and 11012011101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012011101031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 659211 + ... + 4739048.

It is an arithmetic number, because the mean of its divisors is an integer number (711711996660).

Almost surely, 2^{11012011101021} is an apocalyptic number.

It is an amenable number.

11012011101021 is a deficient number, since it is larger than the sum of its proper divisors (6069076818819).

11012011101021 is a wasteful number, since it uses less digits than its factorization.

11012011101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412153 (or 5412146 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11012011101021 its reverse (12010111021011), we get a palindrome (23022122122032).

The spelling of 11012011101021 in words is "eleven trillion, twelve billion, eleven million, one hundred one thousand, twenty-one".