121022100201211 has 6 divisors (see below), whose sum is σ = 133024291956836. Its totient is φ = 110020091091900.

The previous prime is 121022100201193. The next prime is 121022100201217. The reversal of 121022100201211 is 112102001220121.

It is not a de Polignac number, because 121022100201211 - 2¹⁵ = 121022100168443 is a prime.

It is a super-3 number, since 3×121022100201211³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022100201217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500091323025 + ... + 500091323266.

Almost surely, 2^{121022100201211} is an apocalyptic number.

121022100201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121022100201211 is a deficient number, since it is larger than the sum of its proper divisors (12002191755625).

121022100201211 is a wasteful number, since it uses less digits than its factorization.

121022100201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000182646313 (or 1000182646302 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121022100201211 its reverse (112102001220121), we get a palindrome (233124101421332).

The spelling of 121022100201211 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred million, two hundred one thousand, two hundred eleven".