102001020202011 has 16 divisors (see below), whose sum is σ = 164573074612224. Its totient is φ = 54857691537024.

The previous prime is 102001020201991. The next prime is 102001020202013. The reversal of 102001020202011 is 110202020100201.

It is not a de Polignac number, because 102001020202011 - 2¹⁸ = 102001019939867 is a prime.

It is a super-2 number, since 2×102001020202011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102001020202013) 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, 142858571355 + ... + 142858572068.

It is an arithmetic number, because the mean of its divisors is an integer number (10285817163264).

Almost surely, 2^{102001020202011} is an apocalyptic number.

102001020202011 is a deficient number, since it is larger than the sum of its proper divisors (62572054410213).

102001020202011 is a wasteful number, since it uses less digits than its factorization.

102001020202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285717143450.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102001020202011 its reverse (110202020100201), we get a palindrome (212203040302212).

The spelling of 102001020202011 in words is "one hundred two trillion, one billion, twenty million, two hundred two thousand, eleven".