101201211 has 8 divisors (see below), whose sum is σ = 149927760. Its totient is φ = 67467456.

The previous prime is 101201209. The next prime is 101201227. The reversal of 101201211 is 112102101.

It is a happy number.

It is not a de Polignac number, because 101201211 - 2¹ = 101201209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101201193 and 101201202.

It is not an unprimeable number, because it can be changed into a prime (101201411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874070 + ... + 1874123.

It is an arithmetic number, because the mean of its divisors is an integer number (18740970).

Almost surely, 2^101201211 is an apocalyptic number.

101201211 is a deficient number, since it is larger than the sum of its proper divisors (48726549).

101201211 is an equidigital number, since it uses as much as digits as its factorization.

101201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748202 (or 3748196 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 101201211 is about 10059.8812617247. The cubic root of 101201211 is about 466.0100002766.

Adding to 101201211 its reverse (112102101), we get a palindrome (213303312).

The spelling of 101201211 in words is "one hundred one million, two hundred one thousand, two hundred eleven".