2102202121102 has 8 divisors (see below), whose sum is σ = 3153309438312. Its totient is φ = 1051098975000.

The previous prime is 2102202121067. The next prime is 2102202121127. The reversal of 2102202121102 is 2011212022012.

It is a happy number.

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, 1087977 + ... + 2321227.

It is an arithmetic number, because the mean of its divisors is an integer number (394163679789).

Almost surely, 2^{2102202121102} is an apocalyptic number.

2102202121102 is a deficient number, since it is larger than the sum of its proper divisors (1051107317210).

2102202121102 is a wasteful number, since it uses less digits than its factorization.

2102202121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085554.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102202121102 its reverse (2011212022012), we get a palindrome (4113414143114).

The spelling of 2102202121102 in words is "two trillion, one hundred two billion, two hundred two million, one hundred twenty-one thousand, one hundred two".