102011002021099 has 4 divisors (see below), whose sum is σ = 102012578543520. Its totient is φ = 102009425498680.

The previous prime is 102011002021031. The next prime is 102011002021127. The reversal of 102011002021099 is 990120200110201.

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 102011002021099 - 2²¹ = 102010999923947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011002021009) 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, 788164147 + ... + 788293564.

It is an arithmetic number, because the mean of its divisors is an integer number (25503144635880).

Almost surely, 2^{102011002021099} is an apocalyptic number.

102011002021099 is a deficient number, since it is larger than the sum of its proper divisors (1576522421).

102011002021099 is an equidigital number, since it uses as much as digits as its factorization.

102011002021099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576522420.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 102011002021099 in words is "one hundred two trillion, eleven billion, two million, twenty-one thousand, ninety-nine".