10101212212011 has 16 divisors (see below), whose sum is σ = 13502143515264. Its totient is φ = 6717229392384.

The previous prime is 10101212211989. The next prime is 10101212212079. The reversal of 10101212212011 is 11021221210101.

It is a happy number.

It is not a de Polignac number, because 10101212212011 - 2⁹ = 10101212211499 is a prime.

It is a super-2 number, since 2×10101212212011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10101212212711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53281 + ... + 4495026.

It is an arithmetic number, because the mean of its divisors is an integer number (843883969704).

Almost surely, 2^{10101212212011} is an apocalyptic number.

10101212212011 is a deficient number, since it is larger than the sum of its proper divisors (3400931303253).

10101212212011 is a wasteful number, since it uses less digits than its factorization.

10101212212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550170.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10101212212011 its reverse (11021221210101), we get a palindrome (21122433422112).

The spelling of 10101212212011 in words is "ten trillion, one hundred one billion, two hundred twelve million, two hundred twelve thousand, eleven".