211022012220102 has 32 divisors (see below), whose sum is σ = 485108074072800. Its totient is φ = 67915130369184.

The previous prime is 211022012220077. The next prime is 211022012220109. The reversal of 211022012220102 is 201022210220112.

It is a happy number.

211022012220102 is a `hidden beast` number, since 2 + 110 + 220 + 12 + 220 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022012220109) 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, 67376119833 + ... + 67376122964.

It is an arithmetic number, because the mean of its divisors is an integer number (15159627314775).

Almost surely, 2^{211022012220102} is an apocalyptic number.

211022012220102 is an abundant number, since it is smaller than the sum of its proper divisors (274086061852698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211022012220102 is a wasteful number, since it uses less digits than its factorization.

211022012220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134752242837 (or 134752242831 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211022012220102 its reverse (201022210220112), we get a palindrome (412044222440214).

The spelling of 211022012220102 in words is "two hundred eleven trillion, twenty-two billion, twelve million, two hundred twenty thousand, one hundred two".