211221220101203 has 8 divisors (see below), whose sum is σ = 227478467523888. Its totient is φ = 194965324287264.

The previous prime is 211221220101137. The next prime is 211221220101253. The reversal of 211221220101203 is 302101022122112.

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 211221220101203 - 2²⁴ = 211221203323987 is a prime.

It is a super-2 number, since 2×211221220101203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211221220101253) 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, 337577600 + ... + 338202717.

It is an arithmetic number, because the mean of its divisors is an integer number (28434808440486).

Almost surely, 2^{211221220101203} is an apocalyptic number.

211221220101203 is a deficient number, since it is larger than the sum of its proper divisors (16257247422685).

211221220101203 is a wasteful number, since it uses less digits than its factorization.

211221220101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675804373.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211221220101203 its reverse (302101022122112), we get a palindrome (513322242223315).

The spelling of 211221220101203 in words is "two hundred eleven trillion, two hundred twenty-one billion, two hundred twenty million, one hundred one thousand, two hundred three".