201102120121 has 8 divisors (see below), whose sum is σ = 231021830144. Its totient is φ = 171480119040.

The previous prime is 201102120091. The next prime is 201102120137. The reversal of 201102120121 is 121021201102.

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

It is a cyclic number.

It is not a de Polignac number, because 201102120121 - 2¹³ = 201102111929 is a prime.

It is a super-2 number, since 2×201102120121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201102120151) 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, 74425785 + ... + 74428486.

It is an arithmetic number, because the mean of its divisors is an integer number (28877728768).

Almost surely, 2^201102120121 is an apocalyptic number.

It is an amenable number.

201102120121 is a deficient number, since it is larger than the sum of its proper divisors (29919710023).

201102120121 is a wasteful number, since it uses less digits than its factorization.

201102120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148854471.

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

Adding to 201102120121 its reverse (121021201102), we get a palindrome (322123321223).

The spelling of 201102120121 in words is "two hundred one billion, one hundred two million, one hundred twenty thousand, one hundred twenty-one".