202111001201002 has 4 divisors (see below), whose sum is σ = 303166501801506. Its totient is φ = 101055500600500.

The previous prime is 202111001200981. The next prime is 202111001201009. The reversal of 202111001201002 is 200102100111202.

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., 187811100127561 + 14299901073441 = 13704419^2 + 3781521^2 .

It is not an unprimeable number, because it can be changed into a prime (202111001201009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50527750300249 + ... + 50527750300252.

Almost surely, 2^{202111001201002} is an apocalyptic number.

202111001201002 is a deficient number, since it is larger than the sum of its proper divisors (101055500600504).

202111001201002 is a wasteful number, since it uses less digits than its factorization.

202111001201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101055500600503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202111001201002 its reverse (200102100111202), we get a palindrome (402213101312204).

The spelling of 202111001201002 in words is "two hundred two trillion, one hundred eleven billion, one million, two hundred one thousand, two".