101212101220011 has 16 divisors (see below), whose sum is σ = 135072298443264. Its totient is φ = 67413338868384.

The previous prime is 101212101219973. The next prime is 101212101220033. The reversal of 101212101220011 is 110022101212101.

It is a happy number.

It is not a de Polignac number, because 101212101220011 - 2⁶ = 101212101219947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212101220211) 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, 18004545 + ... + 22947501.

It is an arithmetic number, because the mean of its divisors is an integer number (8442018652704).

Almost surely, 2^{101212101220011} is an apocalyptic number.

101212101220011 is a deficient number, since it is larger than the sum of its proper divisors (33860197223253).

101212101220011 is a wasteful number, since it uses less digits than its factorization.

101212101220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949170.

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

Adding to 101212101220011 its reverse (110022101212101), we get a palindrome (211234202432112).

The spelling of 101212101220011 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, two hundred twenty thousand, eleven".