102021102101 has 8 divisors (see below), whose sum is σ = 104077540224. Its totient is φ = 99981873040.

The previous prime is 102021102097. The next prime is 102021102107. The reversal of 102021102101 is 101201120201.

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

It is a cyclic number.

It is not a de Polignac number, because 102021102101 - 2² = 102021102097 is a prime.

It is a super-2 number, since 2×102021102101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021102107) 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, 4290290 + ... + 4314003.

It is an arithmetic number, because the mean of its divisors is an integer number (13009692528).

Almost surely, 2^102021102101 is an apocalyptic number.

It is an amenable number.

102021102101 is a deficient number, since it is larger than the sum of its proper divisors (2056438123).

102021102101 is an equidigital number, since it uses as much as digits as its factorization.

102021102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604531.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102021102101 its reverse (101201120201), we get a palindrome (203222222302).

The spelling of 102021102101 in words is "one hundred two billion, twenty-one million, one hundred two thousand, one hundred one".