211202102073 has 4 divisors (see below), whose sum is σ = 281602802768. Its totient is φ = 140801401380.

The previous prime is 211202102051. The next prime is 211202102101. The reversal of 211202102073 is 370201202112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 211202102073 - 2⁶ = 211202102009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211202102473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35200350343 + ... + 35200350348.

It is an arithmetic number, because the mean of its divisors is an integer number (70400700692).

Almost surely, 2^211202102073 is an apocalyptic number.

It is an amenable number.

211202102073 is a deficient number, since it is larger than the sum of its proper divisors (70400700695).

211202102073 is an equidigital number, since it uses as much as digits as its factorization.

211202102073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70400700694.

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 211202102073 its reverse (370201202112), we get a palindrome (581403304185).

The spelling of 211202102073 in words is "two hundred eleven billion, two hundred two million, one hundred two thousand, seventy-three".