201112011210121 has 16 divisors (see below), whose sum is σ = 219440584388160. Its totient is φ = 182791052421120.

The previous prime is 201112011210113. The next prime is 201112011210127. The reversal of 201112011210121 is 121012110211102.

It is not a de Polignac number, because 201112011210121 - 2³ = 201112011210113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201112011210095 and 201112011210104.

It is not an unprimeable number, because it can be changed into a prime (201112011210127) 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, 1166233521 + ... + 1166405953.

It is an arithmetic number, because the mean of its divisors is an integer number (13715036524260).

Almost surely, 2^{201112011210121} is an apocalyptic number.

It is an amenable number.

201112011210121 is a deficient number, since it is larger than the sum of its proper divisors (18328573178039).

201112011210121 is a wasteful number, since it uses less digits than its factorization.

201112011210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193896.

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

Adding to 201112011210121 its reverse (121012110211102), we get a palindrome (322124121421223).

The spelling of 201112011210121 in words is "two hundred one trillion, one hundred twelve billion, eleven million, two hundred ten thousand, one hundred twenty-one".