1001220102122 has 8 divisors (see below), whose sum is σ = 1501880861700. Its totient is φ = 500593148224.

The previous prime is 1001220102121. The next prime is 1001220102173. The reversal of 1001220102122 is 2212010221001.

It can be written as a sum of positive squares in 2 ways, for example, as 643234476361 + 357985625761 = 802019^2 + 598319^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1001220102097 and 1001220102106.

It is not an unprimeable number, because it can be changed into a prime (1001220102121) 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, 8377247 + ... + 8495922.

Almost surely, 2^{1001220102122} is an apocalyptic number.

1001220102122 is a deficient number, since it is larger than the sum of its proper divisors (500660759578).

1001220102122 is a wasteful number, since it uses less digits than its factorization.

1001220102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16902840.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1001220102122 its reverse (2212010221001), we get a palindrome (3213230323123).

The spelling of 1001220102122 in words is "one trillion, one billion, two hundred twenty million, one hundred two thousand, one hundred twenty-two".