101222100212 has 24 divisors (see below), whose sum is σ = 181825232232. Its totient is φ = 49288464000.

The previous prime is 101222100181. The next prime is 101222100251. The reversal of 101222100212 is 212001222101.

It can be written as a sum of positive squares in 4 ways, for example, as 3250596196 + 97971504016 = 57014^2 + 313004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029043 + ... + 2078330.

It is an arithmetic number, because the mean of its divisors is an integer number (7576051343).

Almost surely, 2^101222100212 is an apocalyptic number.

It is an amenable number.

101222100212 is a deficient number, since it is larger than the sum of its proper divisors (80603132020).

101222100212 is a wasteful number, since it uses less digits than its factorization.

101222100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107539 (or 4107537 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101222100212 its reverse (212001222101), we get a palindrome (313223322313).

The spelling of 101222100212 in words is "one hundred one billion, two hundred twenty-two million, one hundred thousand, two hundred twelve".