11012221222220 has 12 divisors (see below), whose sum is σ = 23125664566704. Its totient is φ = 4404888488880.

The previous prime is 11012221222153. The next prime is 11012221222231. The reversal of 11012221222220 is 2222212221011.

11012221222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11012221222220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 550611061111 = 11012221222220 / (1 + 1 + 0 + 1 + 2 + 2 + 2 + 1 + 2 + 2 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 11012221222192 and 11012221222201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275305530536 + ... + 275305530575.

It is an arithmetic number, because the mean of its divisors is an integer number (1927138713892).

Almost surely, 2^{11012221222220} is an apocalyptic number.

11012221222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012221222220 is an abundant number, since it is smaller than the sum of its proper divisors (12113443344484).

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

11012221222220 is a wasteful number, since it uses less digits than its factorization.

11012221222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550611061120 (or 550611061118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11012221222220 its reverse (2222212221011), we get a palindrome (13234433443231).

The spelling of 11012221222220 in words is "eleven trillion, twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty".