101100020211 has 16 divisors (see below), whose sum is σ = 149821573920. Its totient is φ = 67380318720.

The previous prime is 101100020209. The next prime is 101100020251. The reversal of 101100020211 is 112020001101.

It is a happy number.

It is not a de Polignac number, because 101100020211 - 2¹ = 101100020209 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 = 101100020193 and 101100020202.

It is not an unprimeable number, because it can be changed into a prime (101100020251) 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, 452670 + ... + 638051.

It is an arithmetic number, because the mean of its divisors is an integer number (9363848370).

Almost surely, 2^101100020211 is an apocalyptic number.

101100020211 is a deficient number, since it is larger than the sum of its proper divisors (48721553709).

101100020211 is a wasteful number, since it uses less digits than its factorization.

101100020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094163 (or 1094157 counting only the distinct ones).

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

Adding to 101100020211 its reverse (112020001101), we get a palindrome (213120021312).

The spelling of 101100020211 in words is "one hundred one billion, one hundred million, twenty thousand, two hundred eleven".