101121020211111 has 8 divisors (see below), whose sum is σ = 134828228820864. Its totient is φ = 67413912537720.

The previous prime is 101121020211109. The next prime is 101121020211137. The reversal of 101121020211111 is 111112020121101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101121020211111 - 2¹ = 101121020211109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121020211161) 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, 22864705 + ... + 26926506.

It is an arithmetic number, because the mean of its divisors is an integer number (16853528602608).

Almost surely, 2^{101121020211111} is an apocalyptic number.

101121020211111 is a deficient number, since it is larger than the sum of its proper divisors (33707208609753).

101121020211111 is an equidigital number, since it uses as much as digits as its factorization.

101121020211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50468181.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101121020211111 its reverse (111112020121101), we get a palindrome (212233040332212).

The spelling of 101121020211111 in words is "one hundred one trillion, one hundred twenty-one billion, twenty million, two hundred eleven thousand, one hundred eleven".