201021022202002 has 4 divisors (see below), whose sum is σ = 301531533303006. Its totient is φ = 100510511101000.

The previous prime is 201021022201963. The next prime is 201021022202069. The reversal of 201021022202002 is 200202220120102.

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., 193906154150361 + 7114868051641 = 13925019^2 + 2667371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50255255550499 + ... + 50255255550502.

Almost surely, 2^{201021022202002} is an apocalyptic number.

201021022202002 is a deficient number, since it is larger than the sum of its proper divisors (100510511101004).

201021022202002 is a wasteful number, since it uses less digits than its factorization.

201021022202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100510511101003.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201021022202002 its reverse (200202220120102), we get a palindrome (401223242322104).

The spelling of 201021022202002 in words is "two hundred one trillion, twenty-one billion, twenty-two million, two hundred two thousand, two".