10211011121111 has 8 divisors (see below), whose sum is σ = 10312288864848. Its totient is φ = 10109736880000.

The previous prime is 10211011121093. The next prime is 10211011121131. The reversal of 10211011121111 is 11112111011201.

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 10211011121111 - 2¹⁴ = 10211011104727 is a prime.

It is a super-2 number, since 2×10211011121111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211011121131) 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, 5191151 + ... + 6882591.

It is an arithmetic number, because the mean of its divisors is an integer number (1289036108106).

Almost surely, 2^{10211011121111} is an apocalyptic number.

10211011121111 is a deficient number, since it is larger than the sum of its proper divisors (101277743737).

10211011121111 is a wasteful number, since it uses less digits than its factorization.

10211011121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751313.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 10211011121111 its reverse (11112111011201), we get a palindrome (21323122132312).

The spelling of 10211011121111 in words is "ten trillion, two hundred eleven billion, eleven million, one hundred twenty-one thousand, one hundred eleven".