211220011203 has 16 divisors (see below), whose sum is σ = 286979321856. Its totient is φ = 138157220160.

The previous prime is 211220011199. The next prime is 211220011229. The reversal of 211220011203 is 302110022112.

It is not a de Polignac number, because 211220011203 - 2² = 211220011199 is a prime.

It is a super-2 number, since 2×211220011203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211220011253) 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, 2482975 + ... + 2566632.

It is an arithmetic number, because the mean of its divisors is an integer number (17936207616).

Almost surely, 2^211220011203 is an apocalyptic number.

211220011203 is a deficient number, since it is larger than the sum of its proper divisors (75759310653).

211220011203 is a wasteful number, since it uses less digits than its factorization.

211220011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049874.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211220011203 its reverse (302110022112), we get a palindrome (513330033315).

The spelling of 211220011203 in words is "two hundred eleven billion, two hundred twenty million, eleven thousand, two hundred three".