101221201110099 has 16 divisors (see below), whose sum is σ = 154387204312320. Its totient is φ = 57786171080160.

The previous prime is 101221201110097. The next prime is 101221201110221. The reversal of 101221201110099 is 990011102122101.

It is not a de Polignac number, because 101221201110099 - 2¹ = 101221201110097 is a prime.

It is a super-2 number, since 2×101221201110099² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221201110097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271446709 + ... + 2271491270.

It is an arithmetic number, because the mean of its divisors is an integer number (9649200269520).

Almost surely, 2^{101221201110099} is an apocalyptic number.

101221201110099 is a deficient number, since it is larger than the sum of its proper divisors (53166003202221).

101221201110099 is a wasteful number, since it uses less digits than its factorization.

101221201110099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542939050.

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 101221201110099 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred one million, one hundred ten thousand, ninety-nine".