121202020100103 has 8 divisors (see below), whose sum is σ = 161625554252400. Its totient is φ = 80789916340608.

The previous prime is 121202020100081. The next prime is 121202020100167. The reversal of 121202020100103 is 301001020202121.

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

It is not a de Polignac number, because 121202020100103 - 2⁵ = 121202020100071 is a prime.

It is a super-2 number, since 2×121202020100103² (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 (121202020100173) 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, 2857573458 + ... + 2857615871.

It is an arithmetic number, because the mean of its divisors is an integer number (20203194281550).

Almost surely, 2^{121202020100103} is an apocalyptic number.

121202020100103 is a deficient number, since it is larger than the sum of its proper divisors (40423534152297).

121202020100103 is an equidigital number, since it uses as much as digits as its factorization.

121202020100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715196401.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121202020100103 its reverse (301001020202121), we get a palindrome (422203040302224).

The spelling of 121202020100103 in words is "one hundred twenty-one trillion, two hundred two billion, twenty million, one hundred thousand, one hundred three".