102021212110011 has 4 divisors (see below), whose sum is σ = 136028282813352. Its totient is φ = 68014141406672.

The previous prime is 102021212109997. The next prime is 102021212110061. The reversal of 102021212110011 is 110011212120201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102021212110011 - 2¹⁴ = 102021212093627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021212110061) 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, 17003535351666 + ... + 17003535351671.

It is an arithmetic number, because the mean of its divisors is an integer number (34007070703338).

Almost surely, 2^{102021212110011} is an apocalyptic number.

102021212110011 is a deficient number, since it is larger than the sum of its proper divisors (34007070703341).

102021212110011 is an equidigital number, since it uses as much as digits as its factorization.

102021212110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34007070703340.

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

Adding to 102021212110011 its reverse (110011212120201), we get a palindrome (212032424230212).

The spelling of 102021212110011 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, eleven".