200101121123 has 8 divisors (see below), whose sum is σ = 202695671808. Its totient is φ = 197510944264.

The previous prime is 200101121113. The next prime is 200101121147. The reversal of 200101121123 is 321121101002.

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

It is a cyclic number.

It is not a de Polignac number, because 200101121123 - 2⁸ = 200101120867 is a prime.

It is a super-2 number, since 2×200101121123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101121098 and 200101121107.

It is not an unprimeable number, because it can be changed into a prime (200101121113) 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, 1001315 + ... + 1184412.

It is an arithmetic number, because the mean of its divisors is an integer number (25336958976).

Almost surely, 2^200101121123 is an apocalyptic number.

200101121123 is a deficient number, since it is larger than the sum of its proper divisors (2594550685).

200101121123 is a wasteful number, since it uses less digits than its factorization.

200101121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186913.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 200101121123 its reverse (321121101002), we get a palindrome (521222222125).

The spelling of 200101121123 in words is "two hundred billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-three".