1021012101011 has 16 divisors (see below), whose sum is σ = 1196304258240. Its totient is φ = 853113016320.

The previous prime is 1021012100987. The next prime is 1021012101029. The reversal of 1021012101011 is 1101012101201.

1021012101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1021012101011 - 2⁶ = 1021012100947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021012100983 and 1021012101001.

It is not an unprimeable number, because it can be changed into a prime (1021012101611) 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, 1094606 + ... + 1800051.

It is an arithmetic number, because the mean of its divisors is an integer number (74769016140).

Almost surely, 2^{1021012101011} is an apocalyptic number.

1021012101011 is a deficient number, since it is larger than the sum of its proper divisors (175292157229).

1021012101011 is a wasteful number, since it uses less digits than its factorization.

1021012101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895934.

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

Adding to 1021012101011 its reverse (1101012101201), we get a palindrome (2122024202212).

The spelling of 1021012101011 in words is "one trillion, twenty-one billion, twelve million, one hundred one thousand, eleven".