11010002021220 has 48 divisors (see below), whose sum is σ = 31000229184960. Its totient is φ = 2919598298496.

The previous prime is 11010002021203. The next prime is 11010002021237. The reversal of 11010002021220 is 2212020001011.

It is an interprime number because it is at equal distance from previous prime (11010002021203) and next prime (11010002021237).

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

It is a junction number, because it is equal to n+sod(n) for n = 11010002021196 and 11010002021205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512559187 + ... + 512580666.

It is an arithmetic number, because the mean of its divisors is an integer number (645838108020).

Almost surely, 2^{11010002021220} is an apocalyptic number.

11010002021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010002021220 is an abundant number, since it is smaller than the sum of its proper divisors (19990227163740).

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

11010002021220 is a wasteful number, since it uses less digits than its factorization.

11010002021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025140044 (or 1025140042 counting only the distinct ones).

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

Adding to 11010002021220 its reverse (2212020001011), we get a palindrome (13222022022231).

The spelling of 11010002021220 in words is "eleven trillion, ten billion, two million, twenty-one thousand, two hundred twenty".