4021201101122 has 4 divisors (see below), whose sum is σ = 6031801651686. Its totient is φ = 2010600550560.

The previous prime is 4021201101107. The next prime is 4021201101133. The reversal of 4021201101122 is 2211011021204.

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., 2689695120841 + 1331505980281 = 1640029^2 + 1153909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4021201101122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005300275279 + ... + 1005300275282.

Almost surely, 2^{4021201101122} is an apocalyptic number.

4021201101122 is a deficient number, since it is larger than the sum of its proper divisors (2010600550564).

4021201101122 is a wasteful number, since it uses less digits than its factorization.

4021201101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010600550563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 4021201101122 its reverse (2211011021204), we get a palindrome (6232212122326).

The spelling of 4021201101122 in words is "four trillion, twenty-one billion, two hundred one million, one hundred one thousand, one hundred twenty-two".