11211220220102 has 16 divisors (see below), whose sum is σ = 19435181122080. Its totient is φ = 4750822051008.

The previous prime is 11211220220029. The next prime is 11211220220129. The reversal of 11211220220102 is 20102202211211.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4498883273 + ... + 4498885764.

It is an arithmetic number, because the mean of its divisors is an integer number (1214698820130).

Almost surely, 2^{11211220220102} is an apocalyptic number.

11211220220102 is a deficient number, since it is larger than the sum of its proper divisors (8223960901978).

11211220220102 is an equidigital number, since it uses as much as digits as its factorization.

11211220220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997769135.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11211220220102 its reverse (20102202211211), we get a palindrome (31313422431313).

The spelling of 11211220220102 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty thousand, one hundred two".