1020002013011 has 4 divisors (see below), whose sum is σ = 1020122831832. Its totient is φ = 1019881194192.

The previous prime is 1020002012977. The next prime is 1020002013013. The reversal of 1020002013011 is 1103102000201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020002013011 - 2²⁶ = 1019934904147 is a prime.

It is a super-2 number, since 2×1020002013011² (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 = 1020002012983 and 1020002013001.

It is not an unprimeable number, because it can be changed into a prime (1020002013013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60396746 + ... + 60413631.

It is an arithmetic number, because the mean of its divisors is an integer number (255030707958).

Almost surely, 2^{1020002013011} is an apocalyptic number.

1020002013011 is a deficient number, since it is larger than the sum of its proper divisors (120818821).

1020002013011 is an equidigital number, since it uses as much as digits as its factorization.

1020002013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120818820.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1020002013011 its reverse (1103102000201), we get a palindrome (2123104013212).

The spelling of 1020002013011 in words is "one trillion, twenty billion, two million, thirteen thousand, eleven".