212121011120102 has 8 divisors (see below), whose sum is σ = 363636019063056. Its totient is φ = 90909004765752.

The previous prime is 212121011120089. The next prime is 212121011120111. The reversal of 212121011120102 is 201021110121212.

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

It is a super-3 number, since 3×212121011120102³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7575750397133 + ... + 7575750397160.

It is an arithmetic number, because the mean of its divisors is an integer number (45454502382882).

Almost surely, 2^{212121011120102} is an apocalyptic number.

212121011120102 is a deficient number, since it is larger than the sum of its proper divisors (151515007942954).

212121011120102 is a wasteful number, since it uses less digits than its factorization.

212121011120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15151500794302.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212121011120102 its reverse (201021110121212), we get a palindrome (413142121241314).

The spelling of 212121011120102 in words is "two hundred twelve trillion, one hundred twenty-one billion, eleven million, one hundred twenty thousand, one hundred two".