20122221122102 has 32 divisors (see below), whose sum is σ = 35029402383744. Its totient is φ = 8567638531200.

The previous prime is 20122221122099. The next prime is 20122221122111. The reversal of 20122221122102 is 20122112222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127415708 + ... + 127573535.

It is an arithmetic number, because the mean of its divisors is an integer number (1094668824492).

Almost surely, 2^{20122221122102} is an apocalyptic number.

20122221122102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122221122102 is a deficient number, since it is larger than the sum of its proper divisors (14907181261642).

20122221122102 is a wasteful number, since it uses less digits than its factorization.

20122221122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254989484.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20122221122102 its reverse (20122112222102), we get a palindrome (40244333344204).

The spelling of 20122221122102 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred two".