2220100022021 has 8 divisors (see below), whose sum is σ = 2563414459200. Its totient is φ = 1883324907648.

The previous prime is 2220100022003. The next prime is 2220100022087. The reversal of 2220100022021 is 1202200010222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220100022021 - 2³⁴ = 2202920152837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220100021987 and 2220100022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220100022821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634829971 + ... + 1634831328.

It is an arithmetic number, because the mean of its divisors is an integer number (320426807400).

Almost surely, 2^{2220100022021} is an apocalyptic number.

It is an amenable number.

2220100022021 is a deficient number, since it is larger than the sum of its proper divisors (343314437179).

2220100022021 is an equidigital number, since it uses as much as digits as its factorization.

2220100022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269661403.

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

Adding to 2220100022021 its reverse (1202200010222), we get a palindrome (3422300032243).

The spelling of 2220100022021 in words is "two trillion, two hundred twenty billion, one hundred million, twenty-two thousand, twenty-one".