1001002121022 has 32 divisors (see below), whose sum is σ = 2071401933600. Its totient is φ = 322105125888.

The previous prime is 1001002121011. The next prime is 1001002121071. The reversal of 1001002121022 is 2201212001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001002120989 and 1001002121007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496854 + ... + 1499622.

It is an arithmetic number, because the mean of its divisors is an integer number (64731310425).

Almost surely, 2^{1001002121022} is an apocalyptic number.

1001002121022 is an abundant number, since it is smaller than the sum of its proper divisors (1070399812578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001002121022 is a wasteful number, since it uses less digits than its factorization.

1001002121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008540.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1001002121022 its reverse (2201212001001), we get a palindrome (3202214122023).

The spelling of 1001002121022 in words is "one trillion, one billion, two million, one hundred twenty-one thousand, twenty-two".