1020125311011 has 6 divisors (see below), whose sum is σ = 1473514338140. Its totient is φ = 680083540668.

The previous prime is 1020125311003. The next prime is 1020125311013. The reversal of 1020125311011 is 1101135210201.

1020125311011 is a `hidden beast` number, since 1 + 0 + 20 + 12 + 531 + 101 + 1 = 666.

It is not a de Polignac number, because 1020125311011 - 2³ = 1020125311003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020125311013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56673628381 + ... + 56673628398.

Almost surely, 2^{1020125311011} is an apocalyptic number.

1020125311011 is a deficient number, since it is larger than the sum of its proper divisors (453389027129).

1020125311011 is a wasteful number, since it uses less digits than its factorization.

1020125311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113347256785 (or 113347256782 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The spelling of 1020125311011 in words is "one trillion, twenty billion, one hundred twenty-five million, three hundred eleven thousand, eleven".