101221001210122 has 8 divisors (see below), whose sum is σ = 151831835220996. Its totient is φ = 50610389469792.

The previous prime is 101221001210111. The next prime is 101221001210143. The reversal of 101221001210122 is 221012100122101.

It can be written as a sum of positive squares in 2 ways, for example, as 100942028154081 + 278973056041 = 10046991^2 + 528179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 101221001210096 and 101221001210105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54424443 + ... + 56253550.

Almost surely, 2^{101221001210122} is an apocalyptic number.

101221001210122 is a deficient number, since it is larger than the sum of its proper divisors (50610834010874).

101221001210122 is a wasteful number, since it uses less digits than its factorization.

101221001210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111135272.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101221001210122 its reverse (221012100122101), we get a palindrome (322233101332223).

The spelling of 101221001210122 in words is "one hundred one trillion, two hundred twenty-one billion, one million, two hundred ten thousand, one hundred twenty-two".