102011021020002 has 16 divisors (see below), whose sum is σ = 204147439749792. Its totient is φ = 33982774055040.

The previous prime is 102011021019917. The next prime is 102011021020003. The reversal of 102011021020002 is 200020120110201.

It is a self number, because there is not a number n which added to its sum of digits gives 102011021020002.

It is not an unprimeable number, because it can be changed into a prime (102011021020003) 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, 5224893999 + ... + 5224913522.

It is an arithmetic number, because the mean of its divisors is an integer number (12759214984362).

Almost surely, 2^{102011021020002} is an apocalyptic number.

102011021020002 is an abundant number, since it is smaller than the sum of its proper divisors (102136418729790).

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

102011021020002 is a wasteful number, since it uses less digits than its factorization.

102011021020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449809153.

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

Adding to 102011021020002 its reverse (200020120110201), we get a palindrome (302031141130203).

The spelling of 102011021020002 in words is "one hundred two trillion, eleven billion, twenty-one million, twenty thousand, two".