102011101222 has 4 divisors (see below), whose sum is σ = 153016651836. Its totient is φ = 51005550610.

The previous prime is 102011101219. The next prime is 102011101229. The reversal of 102011101222 is 222101110201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011101229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502775304 + ... + 25502775307.

It is an arithmetic number, because the mean of its divisors is an integer number (38254162959).

Almost surely, 2^102011101222 is an apocalyptic number.

102011101222 is a deficient number, since it is larger than the sum of its proper divisors (51005550614).

102011101222 is an equidigital number, since it uses as much as digits as its factorization.

102011101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51005550613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102011101222 its reverse (222101110201), we get a palindrome (324112211423).

The spelling of 102011101222 in words is "one hundred two billion, eleven million, one hundred one thousand, two hundred twenty-two".