101222122 has 16 divisors (see below), whose sum is σ = 157775400. Its totient is φ = 48646080.

The previous prime is 101222113. The next prime is 101222137. The reversal of 101222122 is 221222101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 100220121 + 1002001 = 10011^2 + 1001^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9472 + ... + 17092.

Almost surely, 2^101222122 is an apocalyptic number.

101222122 is a deficient number, since it is larger than the sum of its proper divisors (56553278).

101222122 is a wasteful number, since it uses less digits than its factorization.

101222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101222122 is about 10060.9205344243. The cubic root of 101222122 is about 466.0420949650.

Adding to 101222122 its reverse (221222101), we get a palindrome (322444223).

The spelling of 101222122 in words is "one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".