101420430121 has 4 divisors (see below), whose sum is σ = 102934167952. Its totient is φ = 99906692292.

The previous prime is 101420430103. The next prime is 101420430131. The reversal of 101420430121 is 121034024101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121034024101 = 223529 ⋅541469.

It is a cyclic number.

It is not a de Polignac number, because 101420430121 - 2⁹ = 101420429609 is a prime.

It is a super-2 number, since 2×101420430121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101420430131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756868815 + ... + 756868948.

It is an arithmetic number, because the mean of its divisors is an integer number (25733541988).

Almost surely, 2^101420430121 is an apocalyptic number.

It is an amenable number.

101420430121 is a deficient number, since it is larger than the sum of its proper divisors (1513737831).

101420430121 is an equidigital number, since it uses as much as digits as its factorization.

101420430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513737830.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101420430121 its reverse (121034024101), we get a palindrome (222454454222).

The spelling of 101420430121 in words is "one hundred one billion, four hundred twenty million, four hundred thirty thousand, one hundred twenty-one".