2100021202022 has 4 divisors (see below), whose sum is σ = 3150031803036. Its totient is φ = 1050010601010.

The previous prime is 2100021202021. The next prime is 2100021202043. The reversal of 2100021202022 is 2202021200012.

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

It is a junction number, because it is equal to n+sod(n) for n = 2100021201988 and 2100021202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100021202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525005300504 + ... + 525005300507.

It is an arithmetic number, because the mean of its divisors is an integer number (787507950759).

Almost surely, 2^{2100021202022} is an apocalyptic number.

2100021202022 is a deficient number, since it is larger than the sum of its proper divisors (1050010601014).

2100021202022 is a wasteful number, since it uses less digits than its factorization.

2100021202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050010601013.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2100021202022 its reverse (2202021200012), we get a palindrome (4302042402034).

The spelling of 2100021202022 in words is "two trillion, one hundred billion, twenty-one million, two hundred two thousand, twenty-two".