201102021211 has 8 divisors (see below), whose sum is σ = 247510180064. Its totient is φ = 159113687040.

The previous prime is 201102021193. The next prime is 201102021229. The reversal of 201102021211 is 112120201102.

It is an interprime number because it is at equal distance from previous prime (201102021193) and next prime (201102021229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201102021211 - 2¹⁵ = 201101988443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 201102021191 and 201102021200.

It is not an unprimeable number, because it can be changed into a prime (201102021811) 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, 1104956070 + ... + 1104956251.

It is an arithmetic number, because the mean of its divisors is an integer number (30938772508).

Almost surely, 2^201102021211 is an apocalyptic number.

201102021211 is a deficient number, since it is larger than the sum of its proper divisors (46408158853).

201102021211 is a wasteful number, since it uses less digits than its factorization.

201102021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209912341.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201102021211 its reverse (112120201102), we get a palindrome (313222222313).

The spelling of 201102021211 in words is "two hundred one billion, one hundred two million, twenty-one thousand, two hundred eleven".