102101211000221 has 8 divisors (see below), whose sum is σ = 104500936356960. Its totient is φ = 99702634670352.

The previous prime is 102101211000211. The next prime is 102101211000223. The reversal of 102101211000221 is 122000112101201.

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-102101211000221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101211000196 and 102101211000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101211000223) 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, 287076911 + ... + 287432348.

It is an arithmetic number, because the mean of its divisors is an integer number (13062617044620).

Almost surely, 2^{102101211000221} is an apocalyptic number.

It is an amenable number.

102101211000221 is a deficient number, since it is larger than the sum of its proper divisors (2399725356739).

102101211000221 is an equidigital number, since it uses as much as digits as its factorization.

102101211000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574513435.

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

Adding to 102101211000221 its reverse (122000112101201), we get a palindrome (224101323101422).

The spelling of 102101211000221 in words is "one hundred two trillion, one hundred one billion, two hundred eleven million, two hundred twenty-one", and thus it is an aban number.