2021211203011 has 64 divisors (see below), whose sum is σ = 2833390780416. Its totient is φ = 1389820291200.

The previous prime is 2021211202993. The next prime is 2021211203069. The reversal of 2021211203011 is 1103021121202.

It is not a de Polignac number, because 2021211203011 - 2⁷ = 2021211202883 is a prime.

It is a super-2 number, since 2×2021211203011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021211203071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42131140 + ... + 42179086.

It is an arithmetic number, because the mean of its divisors is an integer number (44271730944).

Almost surely, 2^{2021211203011} is an apocalyptic number.

2021211203011 is a deficient number, since it is larger than the sum of its proper divisors (812179577405).

2021211203011 is a wasteful number, since it uses less digits than its factorization.

2021211203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49832.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2021211203011 its reverse (1103021121202), we get a palindrome (3124232324213).

It can be divided in two parts, 2021211 and 203011, that added together give a palindrome (2224222).

The spelling of 2021211203011 in words is "two trillion, twenty-one billion, two hundred eleven million, two hundred three thousand, eleven".