102021211111214 has 32 divisors (see below), whose sum is σ = 161130342592800. Its totient is φ = 48312572705280.

The previous prime is 102021211111213. The next prime is 102021211111427. The reversal of 102021211111214 is 412111112120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021211111213) 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, 4431647024 + ... + 4431670044.

It is an arithmetic number, because the mean of its divisors is an integer number (5035323206025).

Almost surely, 2^{102021211111214} is an apocalyptic number.

102021211111214 is a deficient number, since it is larger than the sum of its proper divisors (59109131481586).

102021211111214 is a wasteful number, since it uses less digits than its factorization.

102021211111214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49988.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 102021211111214 its reverse (412111112120201), we get a palindrome (514132323231415).

The spelling of 102021211111214 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, two hundred fourteen".