102100121211092 has 24 divisors (see below), whose sum is σ = 184516132577280. Its totient is φ = 49382604830880.

The previous prime is 102100121211091. The next prime is 102100121211203. The reversal of 102100121211092 is 290112121001201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100121211091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172032788 + ... + 172625259.

It is an arithmetic number, because the mean of its divisors is an integer number (7688172190720).

Almost surely, 2^{102100121211092} is an apocalyptic number.

It is an amenable number.

102100121211092 is a deficient number, since it is larger than the sum of its proper divisors (82416011366188).

102100121211092 is a wasteful number, since it uses less digits than its factorization.

102100121211092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344660471 (or 344660469 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 102100121211092 its reverse (290112121001201), we get a palindrome (392212242212293).

The spelling of 102100121211092 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, two hundred eleven thousand, ninety-two".