121012012102101 has 8 divisors (see below), whose sum is σ = 161788993474944. Its totient is φ = 80454852732000.

The previous prime is 121012012102099. The next prime is 121012012102117. The reversal of 121012012102101 is 101201210210121.

It is a happy number.

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

It is not a de Polignac number, because 121012012102101 - 2¹ = 121012012102099 is a prime.

It is a super-2 number, since 2×121012012102101² (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 (121012012102151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54955499400 + ... + 54955501601.

It is an arithmetic number, because the mean of its divisors is an integer number (20223624184368).

Almost surely, 2^{121012012102101} is an apocalyptic number.

It is an amenable number.

121012012102101 is a deficient number, since it is larger than the sum of its proper divisors (40776981372843).

121012012102101 is a wasteful number, since it uses less digits than its factorization.

121012012102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109911001371.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121012012102101 its reverse (101201210210121), we get a palindrome (222213222312222).

The spelling of 121012012102101 in words is "one hundred twenty-one trillion, twelve billion, twelve million, one hundred two thousand, one hundred one".