122100020001011 has 4 divisors (see below), whose sum is σ = 131492329231872. Its totient is φ = 112707710770152.

The previous prime is 122100020000993. The next prime is 122100020001017. The reversal of 122100020001011 is 110100020001221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122100020001011 - 2⁶ = 122100020000947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100020000983 and 122100020001001.

It is not an unprimeable number, because it can be changed into a prime (122100020001017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696154615411 + ... + 4696154615436.

It is an arithmetic number, because the mean of its divisors is an integer number (32873082307968).

Almost surely, 2^{122100020001011} is an apocalyptic number.

122100020001011 is a deficient number, since it is larger than the sum of its proper divisors (9392309230861).

122100020001011 is an equidigital number, since it uses as much as digits as its factorization.

122100020001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392309230860.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122100020001011 its reverse (110100020001221), we get a palindrome (232200040002232).

The spelling of 122100020001011 in words is "one hundred twenty-two trillion, one hundred billion, twenty million, one thousand, eleven".