20102021010102 has 8 divisors (see below), whose sum is σ = 40204042020216. Its totient is φ = 6700673670032.

The previous prime is 20102021010089. The next prime is 20102021010103. The reversal of 20102021010102 is 20101012020102.

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

20102021010102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102021010103) 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, 1675168417503 + ... + 1675168417514.

It is an arithmetic number, because the mean of its divisors is an integer number (5025505252527).

Almost surely, 2^{20102021010102} is an apocalyptic number.

20102021010102 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.

20102021010102 is a wasteful number, since it uses less digits than its factorization.

20102021010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350336835022.

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

Adding to 20102021010102 its reverse (20101012020102), we get a palindrome (40203033030204).

The spelling of 20102021010102 in words is "twenty trillion, one hundred two billion, twenty-one million, ten thousand, one hundred two".