10121111212102 has 64 divisors (see below), whose sum is σ = 16865309168640. Its totient is φ = 4517101728000.

The previous prime is 10121111212081. The next prime is 10121111212117. The reversal of 10121111212102 is 20121211112101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145935178 + ... + 146004514.

It is an arithmetic number, because the mean of its divisors is an integer number (263520455760).

Almost surely, 2^{10121111212102} is an apocalyptic number.

10121111212102 is a deficient number, since it is larger than the sum of its proper divisors (6744197956538).

10121111212102 is a wasteful number, since it uses less digits than its factorization.

10121111212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69997.

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

Adding to 10121111212102 its reverse (20121211112101), we get a palindrome (30242322324203).

The spelling of 10121111212102 in words is "ten trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twelve thousand, one hundred two".