102133020202 has 4 divisors (see below), whose sum is σ = 153199530306. Its totient is φ = 51066510100.

The previous prime is 102133020127. The next prime is 102133020203. The reversal of 102133020202 is 202020331201.

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., 100128577761 + 2004442441 = 316431^2 + 44771^2 .

It is not an unprimeable number, because it can be changed into a prime (102133020203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25533255049 + ... + 25533255052.

Almost surely, 2^102133020202 is an apocalyptic number.

102133020202 is a deficient number, since it is larger than the sum of its proper divisors (51066510104).

102133020202 is an equidigital number, since it uses as much as digits as its factorization.

102133020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51066510103.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102133020202 its reverse (202020331201), we get a palindrome (304153351403).

The spelling of 102133020202 in words is "one hundred two billion, one hundred thirty-three million, twenty thousand, two hundred two".