1222021100011 has 8 divisors (see below), whose sum is σ = 1250244414144. Its totient is φ = 1193989130880.

The previous prime is 1222021099997. The next prime is 1222021100021. The reversal of 1222021100011 is 1100011202221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222021100011 - 2⁹ = 1222021099499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222021099964 and 1222021100000.

It is not an unprimeable number, because it can be changed into a prime (1222021100021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47823331 + ... + 47848876.

It is an arithmetic number, because the mean of its divisors is an integer number (156280551768).

Almost surely, 2^{1222021100011} is an apocalyptic number.

1222021100011 is a deficient number, since it is larger than the sum of its proper divisors (28223314133).

1222021100011 is an equidigital number, since it uses as much as digits as its factorization.

1222021100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95672501.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222021100011 its reverse (1100011202221), we get a palindrome (2322032302232).

The spelling of 1222021100011 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred thousand, eleven".