201121201102 has 8 divisors (see below), whose sum is σ = 302419411200. Its totient is φ = 100314730704.

The previous prime is 201121201097. The next prime is 201121201129. The reversal of 201121201102 is 201102121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201121201102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122933902 + ... + 122935537.

It is an arithmetic number, because the mean of its divisors is an integer number (37802426400).

Almost surely, 2^201121201102 is an apocalyptic number.

201121201102 is a deficient number, since it is larger than the sum of its proper divisors (101298210098).

201121201102 is a wasteful number, since it uses less digits than its factorization.

201121201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245869850.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201121201102 its reverse (201102121102), we get a palindrome (402223322204).

The spelling of 201121201102 in words is "two hundred one billion, one hundred twenty-one million, two hundred one thousand, one hundred two".