101001002122 has 8 divisors (see below), whose sum is σ = 153001518372. Its totient is φ = 50000496000.

The previous prime is 101001002099. The next prime is 101001002129. The reversal of 101001002122 is 221200100101.

It can be written as a sum of positive squares in 2 ways, for example, as 100133640721 + 867361401 = 316439^2 + 29451^2 .

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 = 101001002099 and 101001002108.

It is not an unprimeable number, because it can be changed into a prime (101001002129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250002279 + ... + 250002682.

Almost surely, 2^101001002122 is an apocalyptic number.

101001002122 is a deficient number, since it is larger than the sum of its proper divisors (52000516250).

101001002122 is a wasteful number, since it uses less digits than its factorization.

101001002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500005064.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101001002122 its reverse (221200100101), we get a palindrome (322201102223).

The spelling of 101001002122 in words is "one hundred one billion, one million, two thousand, one hundred twenty-two".