122020012121011 has 4 divisors (see below), whose sum is σ = 122184238248432. Its totient is φ = 121855785993592.

The previous prime is 122020012120943. The next prime is 122020012121017. The reversal of 122020012121011 is 110121210020221.

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 122020012121011 - 2¹⁵ = 122020012088243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020012121017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82113062596 + ... + 82113064081.

It is an arithmetic number, because the mean of its divisors is an integer number (30546059562108).

Almost surely, 2^{122020012121011} is an apocalyptic number.

122020012121011 is a deficient number, since it is larger than the sum of its proper divisors (164226127421).

122020012121011 is an equidigital number, since it uses as much as digits as its factorization.

122020012121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164226127420.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122020012121011 its reverse (110121210020221), we get a palindrome (232141222141232).

The spelling of 122020012121011 in words is "one hundred twenty-two trillion, twenty billion, twelve million, one hundred twenty-one thousand, eleven".