2122111201021 has 8 divisors (see below), whose sum is σ = 2484422869824. Its totient is φ = 1774587763680.

The previous prime is 2122111200949. The next prime is 2122111201127. The reversal of 2122111201021 is 1201021112212.

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 2122111201021 - 2¹³ = 2122111192829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122111200986 and 2122111201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111261021) 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, 3697057555 + ... + 3697058128.

It is an arithmetic number, because the mean of its divisors is an integer number (310552858728).

Almost surely, 2^{2122111201021} is an apocalyptic number.

It is an amenable number.

2122111201021 is a deficient number, since it is larger than the sum of its proper divisors (362311668803).

2122111201021 is an equidigital number, since it uses as much as digits as its factorization.

2122111201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394115731.

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

Adding to 2122111201021 its reverse (1201021112212), we get a palindrome (3323132313233).

The spelling of 2122111201021 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred one thousand, twenty-one".