1012020011211 has 32 divisors (see below), whose sum is σ = 1493096497920. Its totient is φ = 604620432000.

The previous prime is 1012020011183. The next prime is 1012020011213. The reversal of 1012020011211 is 1121100202101.

It is not a de Polignac number, because 1012020011211 - 2²⁹ = 1011483140299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012020011213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100296 + ... + 1426218.

It is an arithmetic number, because the mean of its divisors is an integer number (46659265560).

Almost surely, 2^{1012020011211} is an apocalyptic number.

1012020011211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012020011211 is a deficient number, since it is larger than the sum of its proper divisors (481076486709).

1012020011211 is a wasteful number, since it uses less digits than its factorization.

1012020011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326267.

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

Adding to 1012020011211 its reverse (1121100202101), we get a palindrome (2133120213312).

The spelling of 1012020011211 in words is "one trillion, twelve billion, twenty million, eleven thousand, two hundred eleven".