10121011212011 has 4 divisors (see below), whose sum is σ = 11566869956592. Its totient is φ = 8675152467432.

The previous prime is 10121011212001. The next prime is 10121011212071. The reversal of 10121011212011 is 11021211012101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121011212011 - 2³⁰ = 10119937470187 is a prime.

It is a super-3 number, since 3×10121011212011³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121011212001) 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, 722929372280 + ... + 722929372293.

It is an arithmetic number, because the mean of its divisors is an integer number (2891717489148).

Almost surely, 2^{10121011212011} is an apocalyptic number.

10121011212011 is a deficient number, since it is larger than the sum of its proper divisors (1445858744581).

10121011212011 is an equidigital number, since it uses as much as digits as its factorization.

10121011212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445858744580.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10121011212011 its reverse (11021211012101), we get a palindrome (21142222224112).

The spelling of 10121011212011 in words is "ten trillion, one hundred twenty-one billion, eleven million, two hundred twelve thousand, eleven".