102020110211121 has 8 divisors (see below), whose sum is σ = 136778342972544. Its totient is φ = 67637642128560.

The previous prime is 102020110211119. The next prime is 102020110211137. The reversal of 102020110211121 is 121112011020201.

It is a happy number.

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

It is not a de Polignac number, because 102020110211121 - 2¹ = 102020110211119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102020110211121.

It is not an unprimeable number, because it can be changed into a prime (102020110211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93941169081 + ... + 93941170166.

It is an arithmetic number, because the mean of its divisors is an integer number (17097292871568).

Almost surely, 2^{102020110211121} is an apocalyptic number.

It is an amenable number.

102020110211121 is a deficient number, since it is larger than the sum of its proper divisors (34758232761423).

102020110211121 is a wasteful number, since it uses less digits than its factorization.

102020110211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187882339431.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102020110211121 its reverse (121112011020201), we get a palindrome (223132121231322).

The spelling of 102020110211121 in words is "one hundred two trillion, twenty billion, one hundred ten million, two hundred eleven thousand, one hundred twenty-one".