1210111121101 has 8 divisors (see below), whose sum is σ = 1212742725120. Its totient is φ = 1207479956688.

The previous prime is 1210111121081. The next prime is 1210111121111. The reversal of 1210111121101 is 1011211110121.

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 1210111121101 - 2¹¹ = 1210111119053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210111121111) 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, 5738800 + ... + 5945926.

It is an arithmetic number, because the mean of its divisors is an integer number (151592840640).

Almost surely, 2^{1210111121101} is an apocalyptic number.

It is an amenable number.

1210111121101 is a deficient number, since it is larger than the sum of its proper divisors (2631604019).

1210111121101 is a wasteful number, since it uses less digits than its factorization.

1210111121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219803.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1210111121101 its reverse (1011211110121), we get a palindrome (2221322231222).

The spelling of 1210111121101 in words is "one trillion, two hundred ten billion, one hundred eleven million, one hundred twenty-one thousand, one hundred one".