202001121102002 has 4 divisors (see below), whose sum is σ = 303001681653006. Its totient is φ = 101000560551000.

The previous prime is 202001121101993. The next prime is 202001121102017. The reversal of 202001121102002 is 200201121100202.

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., 124355751523081 + 77645369578921 = 11151491^2 + 8811661^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500280275499 + ... + 50500280275502.

Almost surely, 2^{202001121102002} is an apocalyptic number.

202001121102002 is a deficient number, since it is larger than the sum of its proper divisors (101000560551004).

202001121102002 is a wasteful number, since it uses less digits than its factorization.

202001121102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000560551003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202001121102002 its reverse (200201121100202), we get a palindrome (402202242202204).

The spelling of 202001121102002 in words is "two hundred two trillion, one billion, one hundred twenty-one million, one hundred two thousand, two".