10211111202102 has 16 divisors (see below), whose sum is σ = 20540269934640. Its totient is φ = 3384029145632.

The previous prime is 10211111202059. The next prime is 10211111202119. The reversal of 10211111202102 is 20120211111201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4918645977 + ... + 4918648052.

It is an arithmetic number, because the mean of its divisors is an integer number (1283766870915).

Almost surely, 2^{10211111202102} is an apocalyptic number.

10211111202102 is an abundant number, since it is smaller than the sum of its proper divisors (10329158732538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211111202102 is a wasteful number, since it uses less digits than its factorization.

10211111202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837294207.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10211111202102 its reverse (20120211111201), we get a palindrome (30331322313303).

Subtracting 10211111202102 from its reverse (20120211111201), we obtain a palindrome (9909099909099).

The spelling of 10211111202102 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, two hundred two thousand, one hundred two".