102402022211 has 4 divisors (see below), whose sum is σ = 104783464632. Its totient is φ = 100020579792.

The previous prime is 102402022207. The next prime is 102402022237. The reversal of 102402022211 is 112220204201.

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 102402022211 - 2² = 102402022207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102402022211.

It is not an unprimeable number, because it can be changed into a prime (102402022201) 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, 1190721146 + ... + 1190721231.

It is an arithmetic number, because the mean of its divisors is an integer number (26195866158).

Almost surely, 2^102402022211 is an apocalyptic number.

102402022211 is a deficient number, since it is larger than the sum of its proper divisors (2381442421).

102402022211 is an equidigital number, since it uses as much as digits as its factorization.

102402022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381442420.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102402022211 its reverse (112220204201), we get a palindrome (214622226412).

The spelling of 102402022211 in words is "one hundred two billion, four hundred two million, twenty-two thousand, two hundred eleven".