121320213031101 has 8 divisors (see below), whose sum is σ = 184868896047424. Its totient is φ = 69325836017760.

The previous prime is 121320213031097. The next prime is 121320213031103. The reversal of 121320213031101 is 101130312023121.

121320213031101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 121320213031101 - 2² = 121320213031097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5777153001481 = 121320213031101 / (1 + 2 + 1 + 3 + 2 + 0 + 2 + 1 + 3 + 0 + 3 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320213031103) 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, 2888576500720 + ... + 2888576500761.

It is an arithmetic number, because the mean of its divisors is an integer number (23108612005928).

Almost surely, 2^{121320213031101} is an apocalyptic number.

It is an amenable number.

121320213031101 is a deficient number, since it is larger than the sum of its proper divisors (63548683016323).

121320213031101 is an equidigital number, since it uses as much as digits as its factorization.

121320213031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777153001491.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121320213031101 its reverse (101130312023121), we get a palindrome (222450525054222).

The spelling of 121320213031101 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred thirteen million, thirty-one thousand, one hundred one".