211221102021119 has 16 divisors (see below), whose sum is σ = 214269378091776. Its totient is φ = 208174875585600.

The previous prime is 211221102021101. The next prime is 211221102021121. The reversal of 211221102021119 is 911120201122112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211221102021119 is a prime.

It is a super-2 number, since 2×211221102021119² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211221102021179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712549224 + ... + 2712627090.

It is an arithmetic number, because the mean of its divisors is an integer number (13391836130736).

Almost surely, 2^{211221102021119} is an apocalyptic number.

211221102021119 is a deficient number, since it is larger than the sum of its proper divisors (3048276070657).

211221102021119 is an equidigital number, since it uses as much as digits as its factorization.

211221102021119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90526.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 211221102021119 in words is "two hundred eleven trillion, two hundred twenty-one billion, one hundred two million, twenty-one thousand, one hundred nineteen".