220122121101002 has 8 divisors (see below), whose sum is σ = 331467941113956. Its totient is φ = 109632807396352.

The previous prime is 220122121100977. The next prime is 220122121101007. The reversal of 220122121101002 is 200101121221022.

It can be written as a sum of positive squares in 2 ways, for example, as 216430262441761 + 3691858659241 = 14711569^2 + 1921421^2 .

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

It is not an unprimeable number, because it can be changed into a prime (220122121101007) 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, 214126576433 + ... + 214126577460.

Almost surely, 2^{220122121101002} is an apocalyptic number.

220122121101002 is a deficient number, since it is larger than the sum of its proper divisors (111345820012954).

220122121101002 is a wasteful number, since it uses less digits than its factorization.

220122121101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428253154152.

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

Adding to 220122121101002 its reverse (200101121221022), we get a palindrome (420223242322024).

The spelling of 220122121101002 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, two".