2101220022211 has 8 divisors (see below), whose sum is σ = 2109419472384. Its totient is φ = 2093032894920.

The previous prime is 2101220022199. The next prime is 2101220022217. The reversal of 2101220022211 is 1122200221012.

It is a happy number.

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 2101220022211 - 2³⁵ = 2066860283843 is a prime.

It is a super-3 number, since 3×2101220022211³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101220022217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738955 + ... + 3421156.

It is an arithmetic number, because the mean of its divisors is an integer number (263677434048).

Almost surely, 2^{2101220022211} is an apocalyptic number.

2101220022211 is a deficient number, since it is larger than the sum of its proper divisors (8199450173).

2101220022211 is an equidigital number, since it uses as much as digits as its factorization.

2101220022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161441.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101220022211 its reverse (1122200221012), we get a palindrome (3223420243223).

The spelling of 2101220022211 in words is "two trillion, one hundred one billion, two hundred twenty million, twenty-two thousand, two hundred eleven".