100121212112102 has 8 divisors (see below), whose sum is σ = 153844789343112. Its totient is φ = 48839615664400.

The previous prime is 100121212112093. The next prime is 100121212112113. The reversal of 100121212112102 is 201211212121001.

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

It is a super-2 number, since 2×100121212112102² (a number of 29 digits) contains 22 as substring.

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, 610495195724 + ... + 610495195887.

It is an arithmetic number, because the mean of its divisors is an integer number (19230598667889).

Almost surely, 2^{100121212112102} is an apocalyptic number.

100121212112102 is a deficient number, since it is larger than the sum of its proper divisors (53723577231010).

100121212112102 is a wasteful number, since it uses less digits than its factorization.

100121212112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220990391654.

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

Adding to 100121212112102 its reverse (201211212121001), we get a palindrome (301332424233103).

The spelling of 100121212112102 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twelve million, one hundred twelve thousand, one hundred two".