122121010001011 has 16 divisors (see below), whose sum is σ = 140024169157824. Its totient is φ = 104332256308224.

The previous prime is 122121010001009. The next prime is 122121010001051. The reversal of 122121010001011 is 110100010121221.

It is a happy number.

It is not a de Polignac number, because 122121010001011 - 2¹ = 122121010001009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122121010000982 and 122121010001000.

It is not an unprimeable number, because it can be changed into a prime (122121010001051) 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, 14926731 + ... + 21611323.

It is an arithmetic number, because the mean of its divisors is an integer number (8751510572364).

Almost surely, 2^{122121010001011} is an apocalyptic number.

122121010001011 is a deficient number, since it is larger than the sum of its proper divisors (17903159156813).

122121010001011 is an equidigital number, since it uses as much as digits as its factorization.

122121010001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693150.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122121010001011 its reverse (110100010121221), we get a palindrome (232221020122232).

The spelling of 122121010001011 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, ten million, one thousand, eleven".