202220121012202 has 4 divisors (see below), whose sum is σ = 303330181518306. Its totient is φ = 101110060506100.

The previous prime is 202220121012071. The next prime is 202220121012233. The reversal of 202220121012202 is 202210121022202.

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., 201384452618001 + 835668394201 = 14190999^2 + 914149^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202220121012202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555030253049 + ... + 50555030253052.

Almost surely, 2^{202220121012202} is an apocalyptic number.

202220121012202 is a deficient number, since it is larger than the sum of its proper divisors (101110060506104).

202220121012202 is a wasteful number, since it uses less digits than its factorization.

202220121012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101110060506103.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202220121012202 its reverse (202210121022202), we get a palindrome (404430242034404).

The spelling of 202220121012202 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-one million, twelve thousand, two hundred two".