2011210222021 has 32 divisors (see below), whose sum is σ = 2705112748800. Its totient is φ = 1444081927680.

The previous prime is 2011210222019. The next prime is 2011210222057. The reversal of 2011210222021 is 1202220121102.

It is a happy number.

It is not a de Polignac number, because 2011210222021 - 2¹ = 2011210222019 is a prime.

It is a super-2 number, since 2×2011210222021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011210221986 and 2011210222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011210226021) 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 in 31 ways as a sum of consecutive naturals, for example, 1195986 + ... + 2335123.

It is an arithmetic number, because the mean of its divisors is an integer number (84534773400).

Almost surely, 2^{2011210222021} is an apocalyptic number.

It is an amenable number.

2011210222021 is a deficient number, since it is larger than the sum of its proper divisors (693902526779).

2011210222021 is a wasteful number, since it uses less digits than its factorization.

2011210222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531709.

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

Adding to 2011210222021 its reverse (1202220121102), we get a palindrome (3213430343123).

The spelling of 2011210222021 in words is "two trillion, eleven billion, two hundred ten million, two hundred twenty-two thousand, twenty-one".