12211101012021 has 8 divisors (see below), whose sum is σ = 16283392345824. Its totient is φ = 8139771843120.

The previous prime is 12211101011911. The next prime is 12211101012023. The reversal of 12211101012021 is 12021010111221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12211101012021 - 2¹⁷ = 12211100880949 is a prime.

It is a super-2 number, since 2×12211101012021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211101012023) 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, 240511611 + ... + 240562376.

It is an arithmetic number, because the mean of its divisors is an integer number (2035424043228).

Almost surely, 2^{12211101012021} is an apocalyptic number.

It is an amenable number.

12211101012021 is a deficient number, since it is larger than the sum of its proper divisors (4072291333803).

12211101012021 is an equidigital number, since it uses as much as digits as its factorization.

12211101012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481082451.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12211101012021 its reverse (12021010111221), we get a palindrome (24232111123242).

The spelling of 12211101012021 in words is "twelve trillion, two hundred eleven billion, one hundred one million, twelve thousand, twenty-one".