102020201221011 has 16 divisors (see below), whose sum is σ = 141143579228064. Its totient is φ = 65493046416384.

The previous prime is 102020201220997. The next prime is 102020201221061. The reversal of 102020201221011 is 110122102020201.

It is not a de Polignac number, because 102020201221011 - 2⁹ = 102020201220499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102020201221061) 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, 4737622800 + ... + 4737644333.

It is an arithmetic number, because the mean of its divisors is an integer number (8821473701754).

Almost surely, 2^{102020201221011} is an apocalyptic number.

102020201221011 is a deficient number, since it is larger than the sum of its proper divisors (39123378007053).

102020201221011 is an equidigital number, since it uses as much as digits as its factorization.

102020201221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475267270.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102020201221011 its reverse (110122102020201), we get a palindrome (212142303241212).

The spelling of 102020201221011 in words is "one hundred two trillion, twenty billion, two hundred one million, two hundred twenty-one thousand, eleven".