102020011021211 has 8 divisors (see below), whose sum is σ = 102696827317248. Its totient is φ = 101343210345000.

The previous prime is 102020011021193. The next prime is 102020011021241. The reversal of 102020011021211 is 112120110020201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020011021211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020011021241) 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, 9350006 + ... + 17072276.

It is an arithmetic number, because the mean of its divisors is an integer number (12837103414656).

Almost surely, 2^{102020011021211} is an apocalyptic number.

102020011021211 is a deficient number, since it is larger than the sum of its proper divisors (676816296037).

102020011021211 is an equidigital number, since it uses as much as digits as its factorization.

102020011021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809913.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102020011021211 its reverse (112120110020201), we get a palindrome (214140121041412).

The spelling of 102020011021211 in words is "one hundred two trillion, twenty billion, eleven million, twenty-one thousand, two hundred eleven".