2020221210122 has 4 divisors (see below), whose sum is σ = 3030331815186. Its totient is φ = 1010110605060.

The previous prime is 2020221210113. The next prime is 2020221210151. The reversal of 2020221210122 is 2210121220202.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1784385684481 + 235835525641 = 1335809^2 + 485629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2020221210122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505055302529 + ... + 505055302532.

Almost surely, 2^{2020221210122} is an apocalyptic number.

2020221210122 is a deficient number, since it is larger than the sum of its proper divisors (1010110605064).

2020221210122 is a wasteful number, since it uses less digits than its factorization.

2020221210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010110605063.

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

Adding to 2020221210122 its reverse (2210121220202), we get a palindrome (4230342430324).

The spelling of 2020221210122 in words is "two trillion, twenty billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".