2211020220993 has 4 divisors (see below), whose sum is σ = 2948026961328. Its totient is φ = 1474013480660.

The previous prime is 2211020220989. The next prime is 2211020221019. The reversal of 2211020220993 is 3990220201122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211020220993 - 2² = 2211020220989 is a prime.

It is a super-2 number, since 2×2211020220993² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211020220193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368503370163 + ... + 368503370168.

It is an arithmetic number, because the mean of its divisors is an integer number (737006740332).

Almost surely, 2^{2211020220993} is an apocalyptic number.

It is an amenable number.

2211020220993 is a deficient number, since it is larger than the sum of its proper divisors (737006740335).

2211020220993 is an equidigital number, since it uses as much as digits as its factorization.

2211020220993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737006740334.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 2211020220993 in words is "two trillion, two hundred eleven billion, twenty million, two hundred twenty thousand, nine hundred ninety-three".