102011122202221 has 16 divisors (see below), whose sum is σ = 103369390286400. Its totient is φ = 100655998064640.

The previous prime is 102011122202219. The next prime is 102011122202233. The reversal of 102011122202221 is 122202221110201.

It is a cyclic number.

It is not a de Polignac number, because 102011122202221 - 2¹ = 102011122202219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011122242221) 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, 250623730 + ... + 251030428.

It is an arithmetic number, because the mean of its divisors is an integer number (6460586892900).

Almost surely, 2^{102011122202221} is an apocalyptic number.

It is an amenable number.

102011122202221 is a deficient number, since it is larger than the sum of its proper divisors (1358268084179).

102011122202221 is a wasteful number, since it uses less digits than its factorization.

102011122202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410556.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102011122202221 its reverse (122202221110201), we get a palindrome (224213343312422).

The spelling of 102011122202221 in words is "one hundred two trillion, eleven billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-one".