101021303100121 has 4 divisors (see below), whose sum is σ = 104504796310500. Its totient is φ = 97537809889744.

The previous prime is 101021303100103. The next prime is 101021303100131. The reversal of 101021303100121 is 121001303120101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83217451969600 + 17803851130521 = 9122360^2 + 4219461^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021303100121 - 2⁵ = 101021303100089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021303100095 and 101021303100104.

It is not an unprimeable number, because it can be changed into a prime (101021303100131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1741746605146 + ... + 1741746605203.

It is an arithmetic number, because the mean of its divisors is an integer number (26126199077625).

Almost surely, 2^{101021303100121} is an apocalyptic number.

It is an amenable number.

101021303100121 is a deficient number, since it is larger than the sum of its proper divisors (3483493210379).

101021303100121 is an equidigital number, since it uses as much as digits as its factorization.

101021303100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483493210378.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101021303100121 its reverse (121001303120101), we get a palindrome (222022606220222).

The spelling of 101021303100121 in words is "one hundred one trillion, twenty-one billion, three hundred three million, one hundred thousand, one hundred twenty-one".