30101121123 has 16 divisors (see below), whose sum is σ = 40778263296. Its totient is φ = 19748181600.

The previous prime is 30101121109. The next prime is 30101121151. The reversal of 30101121123 is 32112110103.

It is a happy number.

It is not a de Polignac number, because 30101121123 - 2⁶ = 30101121059 is a prime.

It is a super-2 number, since 2×30101121123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30101121173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262036 + ... + 358977.

It is an arithmetic number, because the mean of its divisors is an integer number (2548641456).

Almost surely, 2^30101121123 is an apocalyptic number.

30101121123 is a deficient number, since it is larger than the sum of its proper divisors (10677142173).

30101121123 is a wasteful number, since it uses less digits than its factorization.

30101121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621274.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 30101121123 its reverse (32112110103), we get a palindrome (62213231226).

The spelling of 30101121123 in words is "thirty billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-three".