2111120010121 has 8 divisors (see below), whose sum is σ = 2205706976064. Its totient is φ = 2016766305840.

The previous prime is 2111120010107. The next prime is 2111120010149. The reversal of 2111120010121 is 1210100211112.

It is a happy number.

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 2111120010121 - 2¹¹ = 2111120008073 is a prime.

It is a super-2 number, since 2×2111120010121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111120010521) 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, 58296910 + ... + 58333111.

It is an arithmetic number, because the mean of its divisors is an integer number (275713372008).

Almost surely, 2^{2111120010121} is an apocalyptic number.

It is an amenable number.

2111120010121 is a deficient number, since it is larger than the sum of its proper divisors (94586965943).

2111120010121 is a wasteful number, since it uses less digits than its factorization.

2111120010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116630831.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111120010121 its reverse (1210100211112), we get a palindrome (3321220221233).

The spelling of 2111120010121 in words is "two trillion, one hundred eleven billion, one hundred twenty million, ten thousand, one hundred twenty-one".