10211111212102 has 8 divisors (see below), whose sum is σ = 15317005960512. Its totient is φ = 5105442558600.

The previous prime is 10211111212079. The next prime is 10211111212109. The reversal of 10211111212102 is 20121211111201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211111212109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56410774 + ... + 56591497.

It is an arithmetic number, because the mean of its divisors is an integer number (1914625745064).

Almost surely, 2^{10211111212102} is an apocalyptic number.

10211111212102 is a deficient number, since it is larger than the sum of its proper divisors (5105894748410).

10211111212102 is a wasteful number, since it uses less digits than its factorization.

10211111212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113047454.

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

Adding to 10211111212102 its reverse (20121211111201), we get a palindrome (30332322323303).

The spelling of 10211111212102 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, two hundred twelve thousand, one hundred two".