1001021001122 has 16 divisors (see below), whose sum is σ = 1502921710752. Its totient is φ = 500047292160.

The previous prime is 1001021001109. The next prime is 1001021001139. The reversal of 1001021001122 is 2211001201001.

It is a super-2 number, since 2×1001021001122² (a number of 25 digits) contains 22 as substring.

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, 10792898 + ... + 10885250.

It is an arithmetic number, because the mean of its divisors is an integer number (93932606922).

Almost surely, 2^{1001021001122} is an apocalyptic number.

1001021001122 is a deficient number, since it is larger than the sum of its proper divisors (501900709630).

1001021001122 is a wasteful number, since it uses less digits than its factorization.

1001021001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97313.

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

Adding to 1001021001122 its reverse (2211001201001), we get a palindrome (3212022202123).

The spelling of 1001021001122 in words is "one trillion, one billion, twenty-one million, one thousand, one hundred twenty-two".