11020111203210 has 64 divisors (see below), whose sum is σ = 27174329874432. Its totient is φ = 2858088416256.

The previous prime is 11020111203161. The next prime is 11020111203221. The reversal of 11020111203210 is 1230211102011.

It is a super-2 number, since 2×11020111203210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020111203210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629079 + ... + 4736661.

It is an arithmetic number, because the mean of its divisors is an integer number (424598904288).

Almost surely, 2^{11020111203210} is an apocalyptic number.

11020111203210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020111203210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13587164937216).

11020111203210 is an abundant number, since it is smaller than the sum of its proper divisors (16154218671222).

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

11020111203210 is a wasteful number, since it uses less digits than its factorization.

11020111203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110047.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11020111203210 its reverse (1230211102011), we get a palindrome (12250322305221).

The spelling of 11020111203210 in words is "eleven trillion, twenty billion, one hundred eleven million, two hundred three thousand, two hundred ten".