101120212111 has 4 divisors (see below), whose sum is σ = 101122560000. Its totient is φ = 101117864224.

The previous prime is 101120212091. The next prime is 101120212133. The reversal of 101120212111 is 111212021101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111212021101 = 151 ⋅736503451.

It is a cyclic number.

It is not a de Polignac number, because 101120212111 - 2⁵ = 101120212079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101120212091 and 101120212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120212511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108111 + ... + 1195888.

It is an arithmetic number, because the mean of its divisors is an integer number (25280640000).

Almost surely, 2^101120212111 is an apocalyptic number.

101120212111 is a deficient number, since it is larger than the sum of its proper divisors (2347889).

101120212111 is an equidigital number, since it uses as much as digits as its factorization.

101120212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347888.

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

Adding to 101120212111 its reverse (111212021101), we get a palindrome (212332233212).

The spelling of 101120212111 in words is "one hundred one billion, one hundred twenty million, two hundred twelve thousand, one hundred eleven".