102101221209999 has 8 divisors (see below), whose sum is σ = 148510867214592. Its totient is φ = 61879528006040.

The previous prime is 102101221209971. The next prime is 102101221210081. The reversal of 102101221209999 is 999902122101201.

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 102101221209999 - 2¹² = 102101221205903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101221209919) 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, 1546988200119 + ... + 1546988200184.

It is an arithmetic number, because the mean of its divisors is an integer number (18563858401824).

Almost surely, 2^{102101221209999} is an apocalyptic number.

102101221209999 is a deficient number, since it is larger than the sum of its proper divisors (46409646004593).

102101221209999 is a wasteful number, since it uses less digits than its factorization.

102101221209999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093976400317.

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 102101221209999 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-one million, two hundred nine thousand, nine hundred ninety-nine".