102220021202 has 8 divisors (see below), whose sum is σ = 165124649676. Its totient is φ = 47178471312.

The previous prime is 102220021177. The next prime is 102220021217. The reversal of 102220021202 is 202120022201.

It can be written as a sum of positive squares in 2 ways, for example, as 87504147721 + 14715873481 = 295811^2 + 121309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965769613 + ... + 1965769664.

Almost surely, 2^102220021202 is an apocalyptic number.

102220021202 is a deficient number, since it is larger than the sum of its proper divisors (62904628474).

102220021202 is a wasteful number, since it uses less digits than its factorization.

102220021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931539292.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102220021202 its reverse (202120022201), we get a palindrome (304340043403).

Subtracting 102220021202 from its reverse (202120022201), we obtain a palindrome (99900000999).

The spelling of 102220021202 in words is "one hundred two billion, two hundred twenty million, twenty-one thousand, two hundred two".