2121011002102 has 8 divisors (see below), whose sum is σ = 3190046039136. Its totient is φ = 1057662322392.

The previous prime is 2121011002081. The next prime is 2121011002127. The reversal of 2121011002102 is 2012001101212.

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, 1421588398 + ... + 1421589889.

It is an arithmetic number, because the mean of its divisors is an integer number (398755754892).

Almost surely, 2^{2121011002102} is an apocalyptic number.

2121011002102 is a deficient number, since it is larger than the sum of its proper divisors (1069035037034).

2121011002102 is a wasteful number, since it uses less digits than its factorization.

2121011002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843178662.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121011002102 its reverse (2012001101212), we get a palindrome (4133012103314).

The spelling of 2121011002102 in words is "two trillion, one hundred twenty-one billion, eleven million, two thousand, one hundred two".