102201213124 has 6 divisors (see below), whose sum is σ = 178852122974. Its totient is φ = 51100606560.

The previous prime is 102201213119. The next prime is 102201213167. The reversal of 102201213124 is 421312102201.

It can be written as a sum of positive squares in only one way, i.e., 102132654724 + 68558400 = 319582^2 + 8280^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775151637 + ... + 12775151644.

Almost surely, 2^102201213124 is an apocalyptic number.

It is an amenable number.

102201213124 is a deficient number, since it is larger than the sum of its proper divisors (76650909850).

102201213124 is a wasteful number, since it uses less digits than its factorization.

102201213124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25550303285 (or 25550303283 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102201213124 its reverse (421312102201), we get a palindrome (523513315325).

The spelling of 102201213124 in words is "one hundred two billion, two hundred one million, two hundred thirteen thousand, one hundred twenty-four".