20011202022122 has 16 divisors (see below), whose sum is σ = 30868981729632. Its totient is φ = 9725070136080.

The previous prime is 20011202022107. The next prime is 20011202022137. The reversal of 20011202022122 is 22122020211002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20011202022107) and next prime (20011202022137).

It is a self number, because there is not a number n which added to its sum of digits gives 20011202022122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882161204 + ... + 882183887.

It is an arithmetic number, because the mean of its divisors is an integer number (1929311358102).

Almost surely, 2^{20011202022122} is an apocalyptic number.

20011202022122 is a deficient number, since it is larger than the sum of its proper divisors (10857779707510).

20011202022122 is a wasteful number, since it uses less digits than its factorization.

20011202022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764345253.

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

Adding to 20011202022122 its reverse (22122020211002), we get a palindrome (42133222233124).

The spelling of 20011202022122 in words is "twenty trillion, eleven billion, two hundred two million, twenty-two thousand, one hundred twenty-two".