102101220001 has 8 divisors (see below), whose sum is σ = 113753003904. Its totient is φ = 90844411920.

The previous prime is 102101219993. The next prime is 102101220041. The reversal of 102101220001 is 100022101201.

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 102101220001 - 2³ = 102101219993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102101220001.

It is not an unprimeable number, because it can be changed into a prime (102101220041) 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, 98743410 + ... + 98744443.

It is an arithmetic number, because the mean of its divisors is an integer number (14219125488).

Almost surely, 2^102101220001 is an apocalyptic number.

102101220001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102101220001 is a deficient number, since it is larger than the sum of its proper divisors (11651783903).

102101220001 is a wasteful number, since it uses less digits than its factorization.

102101220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197487911.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102101220001 its reverse (100022101201), we get a palindrome (202123321202).

The spelling of 102101220001 in words is "one hundred two billion, one hundred one million, two hundred twenty thousand, one".