2011202111123 has 8 divisors (see below), whose sum is σ = 2056794893808. Its totient is φ = 1966096952064.

The previous prime is 2011202111099. The next prime is 2011202111137. The reversal of 2011202111123 is 3211112021102.

It is a happy number.

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 2011202111123 - 2¹² = 2011202107027 is a prime.

It is a super-2 number, since 2×2011202111123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011202111153) 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, 121897565 + ... + 121914062.

It is an arithmetic number, because the mean of its divisors is an integer number (257099361726).

Almost surely, 2^{2011202111123} is an apocalyptic number.

2011202111123 is a deficient number, since it is larger than the sum of its proper divisors (45592782685).

2011202111123 is a wasteful number, since it uses less digits than its factorization.

2011202111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243811813.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2011202111123 its reverse (3211112021102), we get a palindrome (5222314132225).

The spelling of 2011202111123 in words is "two trillion, eleven billion, two hundred two million, one hundred eleven thousand, one hundred twenty-three".