1020201113011 has 2 divisors, whose sum is σ = 1020201113012. Its totient is φ = 1020201113010.

The previous prime is 1020201112969. The next prime is 1020201113021. The reversal of 1020201113011 is 1103111020201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020201113011 - 2¹⁹ = 1020200588723 is a prime.

It is a super-2 number, since 2×1020201113011² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020201112982 and 1020201113000.

It is not a weakly prime, because it can be changed into another prime (1020201113021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510100556505 + 510100556506.

It is an arithmetic number, because the mean of its divisors is an integer number (510100556506).

Almost surely, 2^{1020201113011} is an apocalyptic number.

1020201113011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020201113011 is an equidigital number, since it uses as much as digits as its factorization.

1020201113011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1020201113011 its reverse (1103111020201), we get a palindrome (2123312133212).

The spelling of 1020201113011 in words is "one trillion, twenty billion, two hundred one million, one hundred thirteen thousand, eleven".