1021012110011 has 8 divisors (see below), whose sum is σ = 1081176354144. Its totient is φ = 960859500160.

The previous prime is 1021012109989. The next prime is 1021012110017. The reversal of 1021012110011 is 1100112101201.

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 1021012110011 - 2¹⁴ = 1021012093627 is a prime.

It is a super-2 number, since 2×1021012110011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021012109974 and 1021012110001.

It is not an unprimeable number, because it can be changed into a prime (1021012110017) 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, 2727560 + ... + 3079221.

It is an arithmetic number, because the mean of its divisors is an integer number (135147044268).

Almost surely, 2^{1021012110011} is an apocalyptic number.

1021012110011 is a deficient number, since it is larger than the sum of its proper divisors (60164244133).

1021012110011 is a wasteful number, since it uses less digits than its factorization.

1021012110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817141.

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

Adding to 1021012110011 its reverse (1100112101201), we get a palindrome (2121124211212).

The spelling of 1021012110011 in words is "one trillion, twenty-one billion, twelve million, one hundred ten thousand, eleven".