1002121011102 has 16 divisors (see below), whose sum is σ = 2004263428752. Its totient is φ = 334036769280.

The previous prime is 1002121011083. The next prime is 1002121011131. The reversal of 1002121011102 is 2011101212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247549 + ... + 1437192.

It is an arithmetic number, because the mean of its divisors is an integer number (125266464297).

Almost surely, 2^{1002121011102} is an apocalyptic number.

1002121011102 is an abundant number, since it is smaller than the sum of its proper divisors (1002142417650).

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

1002121011102 is a wasteful number, since it uses less digits than its factorization.

1002121011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783883.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1002121011102 its reverse (2011101212001), we get a palindrome (3013222223103).

The spelling of 1002121011102 in words is "one trillion, two billion, one hundred twenty-one million, eleven thousand, one hundred two".