101121210211 has 32 divisors (see below), whose sum is σ = 127793369088. Its totient is φ = 77963973120.

The previous prime is 101121210037. The next prime is 101121210277. The reversal of 101121210211 is 112012121101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101121210211 - 2¹¹ = 101121208163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101121210191 and 101121210200.

It is not an unprimeable number, because it can be changed into a prime (101121210511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3354241 + ... + 3384253.

It is an arithmetic number, because the mean of its divisors is an integer number (3993542784).

Almost surely, 2^101121210211 is an apocalyptic number.

101121210211 is a deficient number, since it is larger than the sum of its proper divisors (26672158877).

101121210211 is a wasteful number, since it uses less digits than its factorization.

101121210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31291.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101121210211 its reverse (112012121101), we get a palindrome (213133331312).

The spelling of 101121210211 in words is "one hundred one billion, one hundred twenty-one million, two hundred ten thousand, two hundred eleven".