201121101102 has 32 divisors (see below), whose sum is σ = 425993256864. Its totient is φ = 63083520000.

The previous prime is 201121101079. The next prime is 201121101133. The reversal of 201121101102 is 201101121102.

It is a super-3 number, since 3×201121101102³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284352 + ... + 695052.

It is an arithmetic number, because the mean of its divisors is an integer number (13312289277).

Almost surely, 2^201121101102 is an apocalyptic number.

201121101102 is an abundant number, since it is smaller than the sum of its proper divisors (224872155762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121101102 is a wasteful number, since it uses less digits than its factorization.

201121101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415524.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201121101102 its reverse (201101121102), we get a palindrome (402222222204).

The spelling of 201121101102 in words is "two hundred one billion, one hundred twenty-one million, one hundred one thousand, one hundred two".