1101020012011 has 16 divisors (see below), whose sum is σ = 1138324642560. Its totient is φ = 1063828316160.

The previous prime is 1101020012009. The next prime is 1101020012063. The reversal of 1101020012011 is 1102100201011.

It is a cyclic number.

It is not a de Polignac number, because 1101020012011 - 2¹ = 1101020012009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101020013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66027771 + ... + 66044443.

It is an arithmetic number, because the mean of its divisors is an integer number (71145290160).

Almost surely, 2^{1101020012011} is an apocalyptic number.

1101020012011 is a deficient number, since it is larger than the sum of its proper divisors (37304630549).

1101020012011 is a wasteful number, since it uses less digits than its factorization.

1101020012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19926.

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

Adding to 1101020012011 its reverse (1102100201011), we get a palindrome (2203120213022).

The spelling of 1101020012011 in words is "one trillion, one hundred one billion, twenty million, twelve thousand, eleven".