102102021222011 has 4 divisors (see below), whose sum is σ = 103093302981552. Its totient is φ = 101110739462472.

The previous prime is 102102021221957. The next prime is 102102021222029. The reversal of 102102021222011 is 110222120201201.

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 102102021222011 - 2⁶ = 102102021221947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102021222041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495640879616 + ... + 495640879821.

It is an arithmetic number, because the mean of its divisors is an integer number (25773325745388).

Almost surely, 2^{102102021222011} is an apocalyptic number.

102102021222011 is a deficient number, since it is larger than the sum of its proper divisors (991281759541).

102102021222011 is an equidigital number, since it uses as much as digits as its factorization.

102102021222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991281759540.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102102021222011 its reverse (110222120201201), we get a palindrome (212324141423212).

The spelling of 102102021222011 in words is "one hundred two trillion, one hundred two billion, twenty-one million, two hundred twenty-two thousand, eleven".