102102021202 has 16 divisors (see below), whose sum is σ = 154341611424. Its totient is φ = 50654916000.

The previous prime is 102102021167. The next prime is 102102021277. The reversal of 102102021202 is 202120201201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582302 + ... + 2621542.

It is an arithmetic number, because the mean of its divisors is an integer number (9646350714).

Almost surely, 2^102102021202 is an apocalyptic number.

102102021202 is a deficient number, since it is larger than the sum of its proper divisors (52239590222).

102102021202 is a wasteful number, since it uses less digits than its factorization.

102102021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49305.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102102021202 its reverse (202120201201), we get a palindrome (304222222403).

The spelling of 102102021202 in words is "one hundred two billion, one hundred two million, twenty-one thousand, two hundred two".