102321213202 has 8 divisors (see below), whose sum is σ = 165288113676. Its totient is φ = 47225175312.

The previous prime is 102321213191. The next prime is 102321213251. The reversal of 102321213202 is 202312123201.

It can be written as a sum of positive squares in 2 ways, for example, as 98998958881 + 3322254321 = 314641^2 + 57639^2 .

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

It is a super-2 number, since 2×102321213202² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102321213202.

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, 1967715613 + ... + 1967715664.

Almost surely, 2^102321213202 is an apocalyptic number.

102321213202 is a deficient number, since it is larger than the sum of its proper divisors (62966900474).

102321213202 is a wasteful number, since it uses less digits than its factorization.

102321213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935431292.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102321213202 its reverse (202312123201), we get a palindrome (304633336403).

Subtracting 102321213202 from its reverse (202312123201), we obtain a palindrome (99990909999).

The spelling of 102321213202 in words is "one hundred two billion, three hundred twenty-one million, two hundred thirteen thousand, two hundred two".