1011020101012 has 12 divisors (see below), whose sum is σ = 1774974198816. Its totient is φ = 503884615640.

The previous prime is 1011020100913. The next prime is 1011020101061. The reversal of 1011020101012 is 2101010201101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011020101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406357318 + ... + 406359805.

It is an arithmetic number, because the mean of its divisors is an integer number (147914516568).

Almost surely, 2^{1011020101012} is an apocalyptic number.

It is an amenable number.

1011020101012 is a deficient number, since it is larger than the sum of its proper divisors (763954097804).

1011020101012 is a wasteful number, since it uses less digits than its factorization.

1011020101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812717438 (or 812717436 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011020101012 its reverse (2101010201101), we get a palindrome (3112030302113).

The spelling of 1011020101012 in words is "one trillion, eleven billion, twenty million, one hundred one thousand, twelve".