102012210202111 has 16 divisors (see below), whose sum is σ = 118112172336288. Its totient is φ = 87075850982400.

The previous prime is 102012210202087. The next prime is 102012210202117. The reversal of 102012210202111 is 111202012210201.

It is a cyclic number.

It is not a de Polignac number, because 102012210202111 - 2¹⁹ = 102012209677823 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 (102012210202117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647807070 + ... + 647964523.

It is an arithmetic number, because the mean of its divisors is an integer number (7382010771018).

Almost surely, 2^{102012210202111} is an apocalyptic number.

102012210202111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102012210202111 is a deficient number, since it is larger than the sum of its proper divisors (16099962134177).

102012210202111 is a wasteful number, since it uses less digits than its factorization.

102012210202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295772042.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102012210202111 its reverse (111202012210201), we get a palindrome (213214222412312).

The spelling of 102012210202111 in words is "one hundred two trillion, twelve billion, two hundred ten million, two hundred two thousand, one hundred eleven".