1021011210011 has 16 divisors (see below), whose sum is σ = 1113286065024. Its totient is φ = 930740557824.

The previous prime is 1021011209983. The next prime is 1021011210013. The reversal of 1021011210011 is 1100121101201.

It is a cyclic number.

It is not a de Polignac number, because 1021011210011 - 2⁶ = 1021011209947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021011209974 and 1021011210001.

It is not an unprimeable number, because it can be changed into a prime (1021011210013) 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, 290546 + ... + 1458231.

It is an arithmetic number, because the mean of its divisors is an integer number (69580379064).

Almost surely, 2^{1021011210011} is an apocalyptic number.

1021011210011 is a deficient number, since it is larger than the sum of its proper divisors (92274855013).

1021011210011 is a wasteful number, since it uses less digits than its factorization.

1021011210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749350.

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

Adding to 1021011210011 its reverse (1100121101201), we get a palindrome (2121132311212).

The spelling of 1021011210011 in words is "one trillion, twenty-one billion, eleven million, two hundred ten thousand, eleven".