102101021221011 has 8 divisors (see below), whose sum is σ = 139300618100160. Its totient is φ = 66484385911272.

The previous prime is 102101021221007. The next prime is 102101021221021. The reversal of 102101021221011 is 110122120101201.

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 102101021221011 - 2² = 102101021221007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102101021221021) 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, 395740392201 + ... + 395740392458.

It is an arithmetic number, because the mean of its divisors is an integer number (17412577262520).

Almost surely, 2^{102101021221011} is an apocalyptic number.

102101021221011 is a deficient number, since it is larger than the sum of its proper divisors (37199596879149).

102101021221011 is an equidigital number, since it uses as much as digits as its factorization.

102101021221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791480784705.

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

Adding to 102101021221011 its reverse (110122120101201), we get a palindrome (212223141322212).

The spelling of 102101021221011 in words is "one hundred two trillion, one hundred one billion, twenty-one million, two hundred twenty-one thousand, eleven".