1020011212011 has 128 divisors (see below), whose sum is σ = 1577110487040. Its totient is φ = 580898304000.

The previous prime is 1020011212001. The next prime is 1020011212049. The reversal of 1020011212011 is 1102121100201.

It is not a de Polignac number, because 1020011212011 - 2⁷ = 1020011211883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020011212001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1097966395 + ... + 1097967323.

It is an arithmetic number, because the mean of its divisors is an integer number (12321175680).

Almost surely, 2^{1020011212011} is an apocalyptic number.

1020011212011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020011212011 is a deficient number, since it is larger than the sum of its proper divisors (557099275029).

1020011212011 is a wasteful number, since it uses less digits than its factorization.

1020011212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020011212011 its reverse (1102121100201), we get a palindrome (2122132312212).

It can be divided in two parts, 10200 and 11212011, that added together give a palindrome (11222211).

The spelling of 1020011212011 in words is "one trillion, twenty billion, eleven million, two hundred twelve thousand, eleven".