1001202021102 has 16 divisors (see below), whose sum is σ = 2002416227280. Its totient is φ = 333731976192.

The previous prime is 1001202021077. The next prime is 1001202021103. The reversal of 1001202021102 is 2011202021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001202021103) 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, 832648 + ... + 1641860.

It is an arithmetic number, because the mean of its divisors is an integer number (125151014205).

Almost surely, 2^{1001202021102} is an apocalyptic number.

1001202021102 is an abundant number, since it is smaller than the sum of its proper divisors (1001214206178).

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

1001202021102 is a wasteful number, since it uses less digits than its factorization.

1001202021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015427.

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

Adding to 1001202021102 its reverse (2011202021001), we get a palindrome (3012404042103).

The spelling of 1001202021102 in words is "one trillion, one billion, two hundred two million, twenty-one thousand, one hundred two".