20011211311010 has 32 divisors (see below), whose sum is σ = 36043859779200. Its totient is φ = 7999223512320.

The previous prime is 20011211310977. The next prime is 20011211311033. The reversal of 20011211311010 is 1011311211002.

It is an unprimeable number.

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, 160385450 + ... + 160510170.

It is an arithmetic number, because the mean of its divisors is an integer number (1126370618100).

Almost surely, 2^{20011211311010} is an apocalyptic number.

20011211311010 is a deficient number, since it is larger than the sum of its proper divisors (16032648468190).

20011211311010 is a wasteful number, since it uses less digits than its factorization.

20011211311010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135146.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 20011211311010 its reverse (1011311211002), we get a palindrome (21022522522012).

The spelling of 20011211311010 in words is "twenty trillion, eleven billion, two hundred eleven million, three hundred eleven thousand, ten".