102101110211021 has 8 divisors (see below), whose sum is σ = 108807103574784. Its totient is φ = 95584018068880.

The previous prime is 102101110211003. The next prime is 102101110211029. The reversal of 102101110211021 is 120112011101201.

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

It is not a de Polignac number, because 102101110211021 - 2²² = 102101106016717 is a prime.

It is a super-2 number, since 2×102101110211021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102101110210987 and 102101110211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101110211029) 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, 47225304290 + ... + 47225306451.

It is an arithmetic number, because the mean of its divisors is an integer number (13600887946848).

Almost surely, 2^{102101110211021} is an apocalyptic number.

It is an amenable number.

102101110211021 is a deficient number, since it is larger than the sum of its proper divisors (6705993363763).

102101110211021 is an equidigital number, since it uses as much as digits as its factorization.

102101110211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94450610811.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102101110211021 its reverse (120112011101201), we get a palindrome (222213121312222).

The spelling of 102101110211021 in words is "one hundred two trillion, one hundred one billion, one hundred ten million, two hundred eleven thousand, twenty-one".