1011021010011 has 16 divisors (see below), whose sum is σ = 1503216167200. Its totient is φ = 671580738144.

The previous prime is 1011021010003. The next prime is 1011021010061. The reversal of 1011021010011 is 1100101201101.

It is not a de Polignac number, because 1011021010011 - 2³ = 1011021010003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011021009975 and 1011021010002.

It is not an unprimeable number, because it can be changed into a prime (1011021010061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67583176 + ... + 67598133.

It is an arithmetic number, because the mean of its divisors is an integer number (93951010450).

Almost surely, 2^{1011021010011} is an apocalyptic number.

1011021010011 is a deficient number, since it is larger than the sum of its proper divisors (492195157189).

1011021010011 is a wasteful number, since it uses less digits than its factorization.

1011021010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135181595 (or 135181589 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1011021010011 its reverse (1100101201101), we get a palindrome (2111122211112).

The spelling of 1011021010011 in words is "one trillion, eleven billion, twenty-one million, ten thousand, eleven".