2211122020973 has 2 divisors, whose sum is σ = 2211122020974. Its totient is φ = 2211122020972.

The previous prime is 2211122020951. The next prime is 2211122021071. The reversal of 2211122020973 is 3790202211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127361903529 + 1083760117444 = 1061773^2 + 1041038^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211122020973 - 2⁶ = 2211122020909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211122029973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105561010486 + 1105561010487.

It is an arithmetic number, because the mean of its divisors is an integer number (1105561010487).

Almost surely, 2^{2211122020973} is an apocalyptic number.

It is an amenable number.

2211122020973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211122020973 is an equidigital number, since it uses as much as digits as its factorization.

2211122020973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 2211122020973 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, twenty thousand, nine hundred seventy-three".