202011020102 has 4 divisors (see below), whose sum is σ = 303016530156. Its totient is φ = 101005510050.

The previous prime is 202011020083. The next prime is 202011020203. The reversal of 202011020102 is 201020110202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50502755024 + ... + 50502755027.

It is an arithmetic number, because the mean of its divisors is an integer number (75754132539).

Almost surely, 2^202011020102 is an apocalyptic number.

202011020102 is a deficient number, since it is larger than the sum of its proper divisors (101005510054).

202011020102 is a wasteful number, since it uses less digits than its factorization.

202011020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101005510053.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202011020102 its reverse (201020110202), we get a palindrome (403031130304).

The spelling of 202011020102 in words is "two hundred two billion, eleven million, twenty thousand, one hundred two".