101220202011211 has 6 divisors (see below), whose sum is σ = 103166051394140. Its totient is φ = 99310386876168.

The previous prime is 101220202011209. The next prime is 101220202011223. The reversal of 101220202011211 is 112110202022101.

It is not a de Polignac number, because 101220202011211 - 2¹ = 101220202011209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220202011811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18017121081 + ... + 18017126698.

Almost surely, 2^{101220202011211} is an apocalyptic number.

101220202011211 is a deficient number, since it is larger than the sum of its proper divisors (1945849382929).

101220202011211 is an frugal number, since it uses more digits than its factorization.

101220202011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36034247885 (or 36034247832 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101220202011211 its reverse (112110202022101), we get a palindrome (213330404033312).

The spelling of 101220202011211 in words is "one hundred one trillion, two hundred twenty billion, two hundred two million, eleven thousand, two hundred eleven".