11222021010020 has 12 divisors (see below), whose sum is σ = 23566244121084. Its totient is φ = 4488808404000.

The previous prime is 11222021009993. The next prime is 11222021010091. The reversal of 11222021010020 is 2001012022211.

It can be written as a sum of positive squares in 2 ways, for example, as 3269305166884 + 7952715843136 = 1808122^2 + 2820056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11222021009977 and 11222021010004.

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, 280550525231 + ... + 280550525270.

It is an arithmetic number, because the mean of its divisors is an integer number (1963853676757).

Almost surely, 2^{11222021010020} is an apocalyptic number.

11222021010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222021010020 is an abundant number, since it is smaller than the sum of its proper divisors (12344223111064).

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

11222021010020 is a wasteful number, since it uses less digits than its factorization.

11222021010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561101050510 (or 561101050508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11222021010020 its reverse (2001012022211), we get a palindrome (13223033032231).

The spelling of 11222021010020 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, ten thousand, twenty".