200101121121 has 16 divisors (see below), whose sum is σ = 291072600000. Its totient is φ = 121266563520.

The previous prime is 200101121113. The next prime is 200101121147. The reversal of 200101121121 is 121121101002.

It is not a de Polignac number, because 200101121121 - 2³ = 200101121113 is a prime.

It is a super-2 number, since 2×200101121121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200101121097 and 200101121106.

It is not an unprimeable number, because it can be changed into a prime (200101121021) 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, 457011 + ... + 780423.

It is an arithmetic number, because the mean of its divisors is an integer number (18192037500).

Almost surely, 2^200101121121 is an apocalyptic number.

It is an amenable number.

200101121121 is a deficient number, since it is larger than the sum of its proper divisors (90971478879).

200101121121 is a wasteful number, since it uses less digits than its factorization.

200101121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342176.

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

Adding to 200101121121 its reverse (121121101002), we get a palindrome (321222222123).

The spelling of 200101121121 in words is "two hundred billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-one".