211020220102 has 8 divisors (see below), whose sum is σ = 316536210000. Its totient is φ = 105508150104.

The previous prime is 211020219983. The next prime is 211020220109. The reversal of 211020220102 is 201022020112.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020220109) 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, 841477 + ... + 1063072.

It is an arithmetic number, because the mean of its divisors is an integer number (39567026250).

Almost surely, 2^211020220102 is an apocalyptic number.

211020220102 is a deficient number, since it is larger than the sum of its proper divisors (105515989898).

211020220102 is a wasteful number, since it uses less digits than its factorization.

211020220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959950.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211020220102 its reverse (201022020112), we get a palindrome (412042240214).

The spelling of 211020220102 in words is "two hundred eleven billion, twenty million, two hundred twenty thousand, one hundred two".