212021203101102 has 48 divisors (see below), whose sum is σ = 478029673630080. Its totient is φ = 67860156437136.

The previous prime is 212021203101047. The next prime is 212021203101121. The reversal of 212021203101102 is 201101302120212.

212021203101102 is a `hidden beast` number, since 2 + 120 + 2 + 120 + 310 + 110 + 2 = 666.

212021203101102 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212021203101102² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2321388258 + ... + 2321479589.

It is an arithmetic number, because the mean of its divisors is an integer number (9958951533960).

Almost surely, 2^{212021203101102} is an apocalyptic number.

212021203101102 is an abundant number, since it is smaller than the sum of its proper divisors (266008470528978).

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

212021203101102 is a wasteful number, since it uses less digits than its factorization.

212021203101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642867957 (or 4642867954 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212021203101102 its reverse (201101302120212), we get a palindrome (413122505221314).

The spelling of 212021203101102 in words is "two hundred twelve trillion, twenty-one billion, two hundred three million, one hundred one thousand, one hundred two".