220211122121022 has 8 divisors (see below), whose sum is σ = 440422244242056. Its totient is φ = 73403707373672.

The previous prime is 220211122121021. The next prime is 220211122121117. The reversal of 220211122121022 is 220121221112022.

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

220211122121022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 220211122121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211122121021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18350926843413 + ... + 18350926843424.

It is an arithmetic number, because the mean of its divisors is an integer number (55052780530257).

Almost surely, 2^{220211122121022} is an apocalyptic number.

220211122121022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220211122121022 is a wasteful number, since it uses less digits than its factorization.

220211122121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36701853686842.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220211122121022 its reverse (220121221112022), we get a palindrome (440332343233044).

The spelling of 220211122121022 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".