121010122011 has 8 divisors (see below), whose sum is σ = 161364532240. Its totient is φ = 80664563232.

The previous prime is 121010121989. The next prime is 121010122027. The reversal of 121010122011 is 110221010121.

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

It is not a de Polignac number, because 121010122011 - 2¹¹ = 121010119963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010122061) 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, 2180896 + ... + 2235693.

It is an arithmetic number, because the mean of its divisors is an integer number (20170566530).

Almost surely, 2^121010122011 is an apocalyptic number.

121010122011 is a deficient number, since it is larger than the sum of its proper divisors (40354410229).

121010122011 is an equidigital number, since it uses as much as digits as its factorization.

121010122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425725.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121010122011 its reverse (110221010121), we get a palindrome (231231132132).

The spelling of 121010122011 in words is "one hundred twenty-one billion, ten million, one hundred twenty-two thousand, eleven".