11012020220100 has 72 divisors (see below), whose sum is σ = 33735647842848. Its totient is φ = 2763801152000.

The previous prime is 11012020220081. The next prime is 11012020220141. The reversal of 11012020220100 is 102202021011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079604726 + ... + 1079614925.

It is an arithmetic number, because the mean of its divisors is an integer number (468550664484).

Almost surely, 2^{11012020220100} is an apocalyptic number.

11012020220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012020220100 is an abundant number, since it is smaller than the sum of its proper divisors (22723627622748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11012020220100 is a wasteful number, since it uses less digits than its factorization.

11012020220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159219685 (or 2159219678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11012020220100 its reverse (102202021011), we get a palindrome (11114222241111).

The spelling of 11012020220100 in words is "eleven trillion, twelve billion, twenty million, two hundred twenty thousand, one hundred".