2101210022102 has 4 divisors (see below), whose sum is σ = 3151815033156. Its totient is φ = 1050605011050.

The previous prime is 2101210022101. The next prime is 2101210022113. The reversal of 2101210022102 is 2012200121012.

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 (2101210022101) 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 as a sum of consecutive naturals, namely, 525302505524 + ... + 525302505527.

It is an arithmetic number, because the mean of its divisors is an integer number (787953758289).

Almost surely, 2^{2101210022102} is an apocalyptic number.

2101210022102 is a deficient number, since it is larger than the sum of its proper divisors (1050605011054).

2101210022102 is a wasteful number, since it uses less digits than its factorization.

2101210022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050605011053.

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

Adding to 2101210022102 its reverse (2012200121012), we get a palindrome (4113410143114).

The spelling of 2101210022102 in words is "two trillion, one hundred one billion, two hundred ten million, twenty-two thousand, one hundred two".