2021210102102 has 8 divisors (see below), whose sum is σ = 3191384371800. Its totient is φ = 957415311504.

The previous prime is 2021210102089. The next prime is 2021210102111. The reversal of 2021210102102 is 2012010121202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26594869727 + ... + 26594869802.

It is an arithmetic number, because the mean of its divisors is an integer number (398923046475).

Almost surely, 2^{2021210102102} is an apocalyptic number.

2021210102102 is a deficient number, since it is larger than the sum of its proper divisors (1170174269698).

2021210102102 is a wasteful number, since it uses less digits than its factorization.

2021210102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53189739550.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021210102102 its reverse (2012010121202), we get a palindrome (4033220223304).

The spelling of 2021210102102 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred two thousand, one hundred two".