121222200001022 has 16 divisors (see below), whose sum is σ = 185328289295712. Its totient is φ = 59446895820000.

The previous prime is 121222200001009. The next prime is 121222200001043. The reversal of 121222200001022 is 220100002222121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197755229 + ... + 198367272.

It is an arithmetic number, because the mean of its divisors is an integer number (11583018080982).

Almost surely, 2^{121222200001022} is an apocalyptic number.

121222200001022 is a deficient number, since it is larger than the sum of its proper divisors (64106089294690).

121222200001022 is a wasteful number, since it uses less digits than its factorization.

121222200001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396125443.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121222200001022 its reverse (220100002222121), we get a palindrome (341322202223143).

The spelling of 121222200001022 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred million, one thousand, twenty-two".