122100122021002 has 8 divisors (see below), whose sum is σ = 183242079767556. Its totient is φ = 61019428765152.

The previous prime is 122100122020993. The next prime is 122100122021081. The reversal of 122100122021002 is 200120221001221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118175836298641 + 3924285722361 = 10870871^2 + 1980981^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 15316117693 + ... + 15316125664.

Almost surely, 2^{122100122021002} is an apocalyptic number.

122100122021002 is a deficient number, since it is larger than the sum of its proper divisors (61141957746554).

122100122021002 is a wasteful number, since it uses less digits than its factorization.

122100122021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30632245352.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122100122021002 its reverse (200120221001221), we get a palindrome (322220343022223).

The spelling of 122100122021002 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty-two million, twenty-one thousand, two".