2121110000102 has 4 divisors (see below), whose sum is σ = 3181665000156. Its totient is φ = 1060555000050.

The previous prime is 2121110000101. The next prime is 2121110000117. The reversal of 2121110000102 is 2010000111212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121110000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530277500024 + ... + 530277500027.

It is an arithmetic number, because the mean of its divisors is an integer number (795416250039).

Almost surely, 2^{2121110000102} is an apocalyptic number.

2121110000102 is a deficient number, since it is larger than the sum of its proper divisors (1060555000054).

2121110000102 is a wasteful number, since it uses less digits than its factorization.

2121110000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060555000053.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2121110000102 its reverse (2010000111212), we get a palindrome (4131110111314).

The spelling of 2121110000102 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, one hundred two", and thus it is an aban number.