2021000101211 has 16 divisors (see below), whose sum is σ = 2487917552064. Its totient is φ = 1598690525184.

The previous prime is 2021000101207. The next prime is 2021000101213. The reversal of 2021000101211 is 1121010001202.

It is a cyclic number.

It is not a de Polignac number, because 2021000101211 - 2² = 2021000101207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021000101192 and 2021000101201.

It is not an unprimeable number, because it can be changed into a prime (2021000101213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1951046 + ... + 2801531.

It is an arithmetic number, because the mean of its divisors is an integer number (155494847004).

Almost surely, 2^{2021000101211} is an apocalyptic number.

2021000101211 is a deficient number, since it is larger than the sum of its proper divisors (466917450853).

2021000101211 is a wasteful number, since it uses less digits than its factorization.

2021000101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757270.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2021000101211 its reverse (1121010001202), we get a palindrome (3142010102413).

The spelling of 2021000101211 in words is "two trillion, twenty-one billion, one hundred one thousand, two hundred eleven".