11220022210121 has 8 divisors (see below), whose sum is σ = 11226140158464. Its totient is φ = 11213905296880.

The previous prime is 11220022210073. The next prime is 11220022210147. The reversal of 11220022210121 is 12101222002211.

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 11220022210121 - 2⁶ = 11220022210057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220022210121.

It is not an unprimeable number, because it can be changed into a prime (11220024210121) 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, 21943451 + ... + 22448943.

It is an arithmetic number, because the mean of its divisors is an integer number (1403267519808).

Almost surely, 2^{11220022210121} is an apocalyptic number.

It is an amenable number.

11220022210121 is a deficient number, since it is larger than the sum of its proper divisors (6117948343).

11220022210121 is an equidigital number, since it uses as much as digits as its factorization.

11220022210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517551.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11220022210121 its reverse (12101222002211), we get a palindrome (23321244212332).

The spelling of 11220022210121 in words is "eleven trillion, two hundred twenty billion, twenty-two million, two hundred ten thousand, one hundred twenty-one".