1001011021022 has 16 divisors (see below), whose sum is σ = 1505881082880. Its totient is φ = 499051155768.

The previous prime is 1001011020983. The next prime is 1001011021051. The reversal of 1001011021022 is 2201201101001.

It is a junction number, because it is equal to n+sod(n) for n = 1001011020994 and 1001011021012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018103 + ... + 4259949.

It is an arithmetic number, because the mean of its divisors is an integer number (94117567680).

Almost surely, 2^{1001011021022} is an apocalyptic number.

1001011021022 is a deficient number, since it is larger than the sum of its proper divisors (504870061858).

1001011021022 is a wasteful number, since it uses less digits than its factorization.

1001011021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247855.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001011021022 its reverse (2201201101001), we get a palindrome (3202212122023).

The spelling of 1001011021022 in words is "one trillion, one billion, eleven million, twenty-one thousand, twenty-two".