102211200021 has 16 divisors (see below), whose sum is σ = 155803705344. Its totient is φ = 58386410544.

The previous prime is 102211200011. The next prime is 102211200029. The reversal of 102211200021 is 120002112201.

It is not a de Polignac number, because 102211200021 - 2⁶ = 102211199957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211200029) 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, 769965 + ... + 892898.

It is an arithmetic number, because the mean of its divisors is an integer number (9737731584).

Almost surely, 2^102211200021 is an apocalyptic number.

It is an amenable number.

102211200021 is a deficient number, since it is larger than the sum of its proper divisors (53592505323).

102211200021 is a wasteful number, since it uses less digits than its factorization.

102211200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665800.

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

Adding to 102211200021 its reverse (120002112201), we get a palindrome (222213312222).

The spelling of 102211200021 in words is "one hundred two billion, two hundred eleven million, two hundred thousand, twenty-one".