102011210222 has 4 divisors (see below), whose sum is σ = 153016815336.
Its totient is φ = 51005605110.
The previous prime is 102011210201. The next prime is 102011210233. The reversal of 102011210222 is 222012110201.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 102011210197 and 102011210206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502802554 + ... + 25502802557.
It is an arithmetic number, because the mean of its divisors is an integer number (38254203834).
Almost surely, 2102011210222 is an apocalyptic number.
102011210222 is a deficient number, since it is larger than the sum of its proper divisors (51005605114).
102011210222 is an equidigital number, since it uses as much as digits as its factorization.
102011210222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51005605113.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 102011210222 its reverse (222012110201), we get a palindrome (324023320423).
The spelling of 102011210222 in words is "one hundred two billion, eleven million, two hundred ten thousand, two hundred twenty-two".