2221020122102 has 4 divisors (see below), whose sum is σ = 3331530183156. Its totient is φ = 1110510061050.

The previous prime is 2221020122099. The next prime is 2221020122201. The reversal of 2221020122102 is 2012210201222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555255030524 + ... + 555255030527.

It is an arithmetic number, because the mean of its divisors is an integer number (832882545789).

Almost surely, 2^{2221020122102} is an apocalyptic number.

2221020122102 is a deficient number, since it is larger than the sum of its proper divisors (1110510061054).

2221020122102 is a wasteful number, since it uses less digits than its factorization.

2221020122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110510061053.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221020122102 its reverse (2012210201222), we get a palindrome (4233230323324).

The spelling of 2221020122102 in words is "two trillion, two hundred twenty-one billion, twenty million, one hundred twenty-two thousand, one hundred two".