102101002101211 has 4 divisors (see below), whose sum is σ = 102367584352512. Its totient is φ = 101834419849912.

The previous prime is 102101002101113. The next prime is 102101002101239. The reversal of 102101002101211 is 112101200101201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102101002101211 - 2²³ = 102100993712603 is a prime.

It is a super-3 number, since 3×102101002101211³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101002101191 and 102101002101200.

It is not an unprimeable number, because it can be changed into a prime (102101002101811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133291125076 + ... + 133291125841.

It is an arithmetic number, because the mean of its divisors is an integer number (25591896088128).

Almost surely, 2^{102101002101211} is an apocalyptic number.

102101002101211 is a deficient number, since it is larger than the sum of its proper divisors (266582251301).

102101002101211 is an equidigital number, since it uses as much as digits as its factorization.

102101002101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266582251300.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102101002101211 its reverse (112101200101201), we get a palindrome (214202202202412).

The spelling of 102101002101211 in words is "one hundred two trillion, one hundred one billion, two million, one hundred one thousand, two hundred eleven".