2111021220001 has 8 divisors (see below), whose sum is σ = 2142591706080. Its totient is φ = 2079452578368.

The previous prime is 2111021219971. The next prime is 2111021220031. The reversal of 2111021220001 is 1000221201112.

It is an interprime number because it is at equal distance from previous prime (2111021219971) and next prime (2111021220031).

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 2111021220001 - 2³⁷ = 1973582266529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111021220031) 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, 1937670 + ... + 2824288.

It is an arithmetic number, because the mean of its divisors is an integer number (267823963260).

Almost surely, 2^{2111021220001} is an apocalyptic number.

It is an amenable number.

2111021220001 is a deficient number, since it is larger than the sum of its proper divisors (31570486079).

2111021220001 is an equidigital number, since it uses as much as digits as its factorization.

2111021220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922223.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111021220001 its reverse (1000221201112), we get a palindrome (3111242421113).

The spelling of 2111021220001 in words is "two trillion, one hundred eleven billion, twenty-one million, two hundred twenty thousand, one".