1001202121102 has 8 divisors (see below), whose sum is σ = 1509666026112. Its totient is φ = 497980112400.

The previous prime is 1001202121091. The next prime is 1001202121151. The reversal of 1001202121102 is 2011212021001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310473599 + ... + 1310474362.

It is an arithmetic number, because the mean of its divisors is an integer number (188708253264).

Almost surely, 2^{1001202121102} is an apocalyptic number.

1001202121102 is a deficient number, since it is larger than the sum of its proper divisors (508463905010).

1001202121102 is a wasteful number, since it uses less digits than its factorization.

1001202121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620948154.

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

Adding to 1001202121102 its reverse (2011212021001), we get a palindrome (3012414142103).

It can be divided in two parts, 100120 and 2121102, that added together give a palindrome (2221222).

The spelling of 1001202121102 in words is "one trillion, one billion, two hundred two million, one hundred twenty-one thousand, one hundred two".