211220000033030 has 16 divisors (see below), whose sum is σ = 385550873301024. Its totient is φ = 83298028181760.

The previous prime is 211220000032949. The next prime is 211220000033033. The reversal of 211220000033030 is 30330000022112.

It is a super-2 number, since 2×211220000033030² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220000033033) 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, 148746478187 + ... + 148746479606.

It is an arithmetic number, because the mean of its divisors is an integer number (24096929581314).

Almost surely, 2^{211220000033030} is an apocalyptic number.

211220000033030 is a deficient number, since it is larger than the sum of its proper divisors (174330873267994).

211220000033030 is a wasteful number, since it uses less digits than its factorization.

211220000033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297492957871.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 211220000033030 its reverse (30330000022112), we get a palindrome (241550000055142).

The spelling of 211220000033030 in words is "two hundred eleven trillion, two hundred twenty billion, thirty-three thousand, thirty".