102121001101197 has 96 divisors (see below), whose sum is σ = 165971070720000. Its totient is φ = 60035458766976.

The previous prime is 102121001101187. The next prime is 102121001101201. The reversal of 102121001101197 is 791101100121201.

It is not a de Polignac number, because 102121001101197 - 2³¹ = 102118853617549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102121001101197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121001101177) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7621532304 + ... + 7621545702.

It is an arithmetic number, because the mean of its divisors is an integer number (1728865320000).

Almost surely, 2^{102121001101197} is an apocalyptic number.

It is an amenable number.

102121001101197 is a deficient number, since it is larger than the sum of its proper divisors (63850069618803).

102121001101197 is a wasteful number, since it uses less digits than its factorization.

102121001101197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16807 (or 16804 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 27.

Adding to 102121001101197 its reverse (791101100121201), we get a palindrome (893222101222398).

The spelling of 102121001101197 in words is "one hundred two trillion, one hundred twenty-one billion, one million, one hundred one thousand, one hundred ninety-seven".