1001202211120 has 40 divisors (see below), whose sum is σ = 2402885312640. Its totient is φ = 387562145280.

The previous prime is 1001202211057. The next prime is 1001202211127. The reversal of 1001202211120 is 211122021001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1001202211120.

It is not an unprimeable number, because it can be changed into a prime (1001202211127) 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, 201852805 + ... + 201857764.

It is an arithmetic number, because the mean of its divisors is an integer number (60072132816).

Almost surely, 2^{1001202211120} is an apocalyptic number.

1001202211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001202211120 is an abundant number, since it is smaller than the sum of its proper divisors (1401683101520).

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

1001202211120 is a wasteful number, since it uses less digits than its factorization.

1001202211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403710613 (or 403710607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001202211120 its reverse (211122021001), we get a palindrome (1212324232121).

The spelling of 1001202211120 in words is "one trillion, one billion, two hundred two million, two hundred eleven thousand, one hundred twenty".