1001201121202 has 8 divisors (see below), whose sum is σ = 1501922336112. Its totient is φ = 500560342500.

The previous prime is 1001201121143. The next prime is 1001201121203. The reversal of 1001201121202 is 2021211021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1001201121202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001201121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20077924 + ... + 20127727.

It is an arithmetic number, because the mean of its divisors is an integer number (187740292014).

Almost surely, 2^{1001201121202} is an apocalyptic number.

1001201121202 is a deficient number, since it is larger than the sum of its proper divisors (500721214910).

1001201121202 is a wasteful number, since it uses less digits than its factorization.

1001201121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40218104.

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

Adding to 1001201121202 its reverse (2021211021001), we get a palindrome (3022412142203).

The spelling of 1001201121202 in words is "one trillion, one billion, two hundred one million, one hundred twenty-one thousand, two hundred two".