2021211201121 has 8 divisors (see below), whose sum is σ = 2321924342144. Its totient is φ = 1723490231040.

The previous prime is 2021211201109. The next prime is 2021211201131. The reversal of 2021211201121 is 1211021121202.

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 2021211201121 - 2¹³ = 2021211192929 is a prime.

It is a super-3 number, since 3×2021211201121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021211201095 and 2021211201104.

It is not an unprimeable number, because it can be changed into a prime (2021211201131) 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, 748041285 + ... + 748043986.

It is an arithmetic number, because the mean of its divisors is an integer number (290240542768).

Almost surely, 2^{2021211201121} is an apocalyptic number.

It is an amenable number.

2021211201121 is a deficient number, since it is larger than the sum of its proper divisors (300713141023).

2021211201121 is a wasteful number, since it uses less digits than its factorization.

2021211201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496085471.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2021211201121 its reverse (1211021121202), we get a palindrome (3232232322323).

The spelling of 2021211201121 in words is "two trillion, twenty-one billion, two hundred eleven million, two hundred one thousand, one hundred twenty-one".