101001001022122 has 4 divisors (see below), whose sum is σ = 151501501533186. Its totient is φ = 50500500511060.

The previous prime is 101001001022113. The next prime is 101001001022123. The reversal of 101001001022122 is 221220100100101.

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

It can be written as a sum of positive squares in only one way, i.e., 72306434015761 + 28694567006361 = 8503319^2 + 5356731^2 .

It is not an unprimeable number, because it can be changed into a prime (101001001022123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250250255529 + ... + 25250250255532.

Almost surely, 2^{101001001022122} is an apocalyptic number.

101001001022122 is a deficient number, since it is larger than the sum of its proper divisors (50500500511064).

101001001022122 is an equidigital number, since it uses as much as digits as its factorization.

101001001022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500500511063.

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

Adding to 101001001022122 its reverse (221220100100101), we get a palindrome (322221101122223).

The spelling of 101001001022122 in words is "one hundred one trillion, one billion, one million, twenty-two thousand, one hundred twenty-two".