10211121121011 has 8 divisors (see below), whose sum is σ = 13631615868864. Its totient is φ = 6799020226920.

The previous prime is 10211121121009. The next prime is 10211121121049. The reversal of 10211121121011 is 11012112111201.

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

It is not a de Polignac number, because 10211121121011 - 2¹ = 10211121121009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10211121121001) 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, 2098460601 + ... + 2098465466.

It is an arithmetic number, because the mean of its divisors is an integer number (1703951983608).

Almost surely, 2^{10211121121011} is an apocalyptic number.

10211121121011 is a deficient number, since it is larger than the sum of its proper divisors (3420494747853).

10211121121011 is an equidigital number, since it uses as much as digits as its factorization.

10211121121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196926881.

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

Adding to 10211121121011 its reverse (11012112111201), we get a palindrome (21223233232212).

The spelling of 10211121121011 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, eleven".