210102121012111 has 8 divisors (see below), whose sum is σ = 210736037729984. Its totient is φ = 209468266237440.

The previous prime is 210102121012087. The next prime is 210102121012177. The reversal of 210102121012111 is 111210121201012.

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

It is a cyclic number.

It is not a de Polignac number, because 210102121012111 - 2¹⁵ = 210102120979343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102121012711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8687370 + ... + 22263751.

It is an arithmetic number, because the mean of its divisors is an integer number (26342004716248).

Almost surely, 2^{210102121012111} is an apocalyptic number.

210102121012111 is a deficient number, since it is larger than the sum of its proper divisors (633916717873).

210102121012111 is a wasteful number, since it uses less digits than its factorization.

210102121012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30971601.

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

Adding to 210102121012111 its reverse (111210121201012), we get a palindrome (321312242213123).

The spelling of 210102121012111 in words is "two hundred ten trillion, one hundred two billion, one hundred twenty-one million, twelve thousand, one hundred eleven".