101021120212011 has 4 divisors (see below), whose sum is σ = 134694826949352. Its totient is φ = 67347413474672.

The previous prime is 101021120211967. The next prime is 101021120212063. The reversal of 101021120212011 is 110212021120101.

It is a happy number.

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 101021120212011 - 2⁹ = 101021120211499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101021120212211) 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, 16836853368666 + ... + 16836853368671.

It is an arithmetic number, because the mean of its divisors is an integer number (33673706737338).

Almost surely, 2^{101021120212011} is an apocalyptic number.

101021120212011 is a deficient number, since it is larger than the sum of its proper divisors (33673706737341).

101021120212011 is an equidigital number, since it uses as much as digits as its factorization.

101021120212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33673706737340.

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

Adding to 101021120212011 its reverse (110212021120101), we get a palindrome (211233141332112).

The spelling of 101021120212011 in words is "one hundred one trillion, twenty-one billion, one hundred twenty million, two hundred twelve thousand, eleven".