121011202101 has 8 divisors (see below), whose sum is σ = 161354098080. Its totient is φ = 80671220432.

The previous prime is 121011202087. The next prime is 121011202133. The reversal of 121011202101 is 101202110121.

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 121011202101 - 2⁷ = 121011201973 is a prime.

It is a super-2 number, since 2×121011202101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011202171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629775 + ... + 799148.

It is an arithmetic number, because the mean of its divisors is an integer number (20169262260).

Almost surely, 2^121011202101 is an apocalyptic number.

It is an amenable number.

121011202101 is a deficient number, since it is larger than the sum of its proper divisors (40342895979).

121011202101 is a wasteful number, since it uses less digits than its factorization.

121011202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457155.

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

Adding to 121011202101 its reverse (101202110121), we get a palindrome (222213312222).

The spelling of 121011202101 in words is "one hundred twenty-one billion, eleven million, two hundred two thousand, one hundred one".