122112021202 has 4 divisors (see below), whose sum is σ = 183168031806. Its totient is φ = 61056010600.

The previous prime is 122112021133. The next prime is 122112021209. The reversal of 122112021202 is 202120211221.

It is a happy number.

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., 112245770961 + 9866250241 = 335031^2 + 99329^2 .

It is a super-2 number, since 2×122112021202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112021209) by changing a digit.

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, 30528005299 + ... + 30528005302.

Almost surely, 2^122112021202 is an apocalyptic number.

122112021202 is a deficient number, since it is larger than the sum of its proper divisors (61056010604).

122112021202 is an equidigital number, since it uses as much as digits as its factorization.

122112021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61056010603.

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

Adding to 122112021202 its reverse (202120211221), we get a palindrome (324232232423).

The spelling of 122112021202 in words is "one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, two hundred two".