211021023022 has 4 divisors (see below), whose sum is σ = 316531534536. Its totient is φ = 105510511510.

The previous prime is 211021023011. The next prime is 211021023067. The reversal of 211021023022 is 220320120112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 211021022987 and 211021023005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755255754 + ... + 52755255757.

It is an arithmetic number, because the mean of its divisors is an integer number (79132883634).

Almost surely, 2^211021023022 is an apocalyptic number.

211021023022 is a deficient number, since it is larger than the sum of its proper divisors (105510511514).

211021023022 is a wasteful number, since it uses less digits than its factorization.

211021023022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105510511513.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 211021023022 its reverse (220320120112), we get a palindrome (431341143134).

The spelling of 211021023022 in words is "two hundred eleven billion, twenty-one million, twenty-three thousand, twenty-two".