121010200102101 has 8 divisors (see below), whose sum is σ = 161506209814560. Its totient is φ = 80593828562192.

The previous prime is 121010200102063. The next prime is 121010200102201. The reversal of 121010200102101 is 101201002010121.

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

It is a cyclic number.

It is not a de Polignac number, because 121010200102101 - 2¹⁷ = 121010199971029 is a prime.

It is a super-2 number, since 2×121010200102101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010200102201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19909539591 + ... + 19909545668.

It is an arithmetic number, because the mean of its divisors is an integer number (20188276226820).

Almost surely, 2^{121010200102101} is an apocalyptic number.

It is an amenable number.

121010200102101 is a deficient number, since it is larger than the sum of its proper divisors (40496009712459).

121010200102101 is a wasteful number, since it uses less digits than its factorization.

121010200102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39819086275.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121010200102101 its reverse (101201002010121), we get a palindrome (222211202112222).

The spelling of 121010200102101 in words is "one hundred twenty-one trillion, ten billion, two hundred million, one hundred two thousand, one hundred one".