20122102011202 has 4 divisors (see below), whose sum is σ = 30183153016806. Its totient is φ = 10061051005600.

The previous prime is 20122102011181. The next prime is 20122102011223. The reversal of 20122102011202 is 20211020122102.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (20122102011181) and next prime (20122102011223).

It can be written as a sum of positive squares in only one way, i.e., 18688337646001 + 1433764365201 = 4323001^2 + 1197399^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030525502799 + ... + 5030525502802.

Almost surely, 2^{20122102011202} is an apocalyptic number.

20122102011202 is a deficient number, since it is larger than the sum of its proper divisors (10061051005604).

20122102011202 is a wasteful number, since it uses less digits than its factorization.

20122102011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061051005603.

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

Adding to 20122102011202 its reverse (20211020122102), we get a palindrome (40333122133304).

The spelling of 20122102011202 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, eleven thousand, two hundred two".