101011121201211 has 12 divisors (see below), whose sum is σ = 145838541853368. Its totient is φ = 62160689969664.

The previous prime is 101011121201201. The next prime is 101011121201231. The reversal of 101011121201211 is 112102121110101.

It is not a de Polignac number, because 101011121201211 - 2³³ = 101002531266619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101011121201201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99616489830 + ... + 99616490843.

It is an arithmetic number, because the mean of its divisors is an integer number (12153211821114).

Almost surely, 2^{101011121201211} is an apocalyptic number.

101011121201211 is a deficient number, since it is larger than the sum of its proper divisors (44827420652157).

101011121201211 is a wasteful number, since it uses less digits than its factorization.

101011121201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199232980702 (or 199232980689 counting only the distinct ones).

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

Adding to 101011121201211 its reverse (112102121110101), we get a palindrome (213113242311312).

The spelling of 101011121201211 in words is "one hundred one trillion, eleven billion, one hundred twenty-one million, two hundred one thousand, two hundred eleven".