1122001021002 has 16 divisors (see below), whose sum is σ = 2244024179712. Its totient is φ = 373996650720.

The previous prime is 1122001020989. The next prime is 1122001021007. The reversal of 1122001021002 is 2001201002211.

It is a super-2 number, since 2×1122001021002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122001021007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222699 + ... + 1514462.

It is an arithmetic number, because the mean of its divisors is an integer number (140251511232).

Almost surely, 2^{1122001021002} is an apocalyptic number.

1122001021002 is an abundant number, since it is smaller than the sum of its proper divisors (1122023158710).

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

1122001021002 is a wasteful number, since it uses less digits than its factorization.

1122001021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844813.

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

Adding to 1122001021002 its reverse (2001201002211), we get a palindrome (3123202023213).

The spelling of 1122001021002 in words is "one trillion, one hundred twenty-two billion, one million, twenty-one thousand, two".