101211112120011 has 16 divisors (see below), whose sum is σ = 138595834450464. Its totient is φ = 65650243785984.

The previous prime is 101211112120007. The next prime is 101211112120049. The reversal of 101211112120011 is 110021211112101.

It is not a de Polignac number, because 101211112120011 - 2² = 101211112120007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101211112128011) 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, 38949265 + ... + 41466461.

It is an arithmetic number, because the mean of its divisors is an integer number (8662239653154).

Almost surely, 2^{101211112120011} is an apocalyptic number.

101211112120011 is a deficient number, since it is larger than the sum of its proper divisors (37384722330453).

101211112120011 is a wasteful number, since it uses less digits than its factorization.

101211112120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879470.

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

Adding to 101211112120011 its reverse (110021211112101), we get a palindrome (211232323232112).

The spelling of 101211112120011 in words is "one hundred one trillion, two hundred eleven billion, one hundred twelve million, one hundred twenty thousand, eleven".