122100220202 has 4 divisors (see below), whose sum is σ = 183150330306. Its totient is φ = 61050110100.

The previous prime is 122100220199. The next prime is 122100220217. The reversal of 122100220202 is 202022001221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202022001221 = 72673 ⋅2779877.

It can be written as a sum of positive squares in only one way, i.e., 92567454001 + 29532766201 = 304249^2 + 171851^2 .

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, 30525055049 + ... + 30525055052.

Almost surely, 2^122100220202 is an apocalyptic number.

122100220202 is a deficient number, since it is larger than the sum of its proper divisors (61050110104).

122100220202 is an equidigital number, since it uses as much as digits as its factorization.

122100220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61050110103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122100220202 its reverse (202022001221), we get a palindrome (324122221423).

The spelling of 122100220202 in words is "one hundred twenty-two billion, one hundred million, two hundred twenty thousand, two hundred two".