1002012021102 has 8 divisors (see below), whose sum is σ = 2004024042216. Its totient is φ = 334004007032.

The previous prime is 1002012020959. The next prime is 1002012021107. The reversal of 1002012021102 is 2011202102001.

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

1002012021102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012021107) 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, 83501001753 + ... + 83501001764.

It is an arithmetic number, because the mean of its divisors is an integer number (250503005277).

Almost surely, 2^{1002012021102} is an apocalyptic number.

1002012021102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1002012021102 is a wasteful number, since it uses less digits than its factorization.

1002012021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167002003522.

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

Adding to 1002012021102 its reverse (2011202102001), we get a palindrome (3013214123103).

The spelling of 1002012021102 in words is "one trillion, two billion, twelve million, twenty-one thousand, one hundred two".