2001021010102 has 8 divisors (see below), whose sum is σ = 3098355112512. Its totient is φ = 968235972600.

The previous prime is 2001021010099. The next prime is 2001021010103. The reversal of 2001021010102 is 2010101201002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001021010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16137266149 + ... + 16137266272.

It is an arithmetic number, because the mean of its divisors is an integer number (387294389064).

Almost surely, 2^{2001021010102} is an apocalyptic number.

2001021010102 is a deficient number, since it is larger than the sum of its proper divisors (1097334102410).

2001021010102 is a wasteful number, since it uses less digits than its factorization.

2001021010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32274532454.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2001021010102 its reverse (2010101201002), we get a palindrome (4011122211104).

The spelling of 2001021010102 in words is "two trillion, one billion, twenty-one million, ten thousand, one hundred two".