122010101020111 has 4 divisors (see below), whose sum is σ = 122015114402752. Its totient is φ = 122005087637472.

The previous prime is 122010101020103. The next prime is 122010101020139. The reversal of 122010101020111 is 111020101010221.

It is a happy number.

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 122010101020111 - 2³ = 122010101020103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010101020091 and 122010101020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010101020141) 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, 2506654815 + ... + 2506703488.

It is an arithmetic number, because the mean of its divisors is an integer number (30503778600688).

Almost surely, 2^{122010101020111} is an apocalyptic number.

122010101020111 is a deficient number, since it is larger than the sum of its proper divisors (5013382641).

122010101020111 is an equidigital number, since it uses as much as digits as its factorization.

122010101020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013382640.

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

Adding to 122010101020111 its reverse (111020101010221), we get a palindrome (233030202030332).

The spelling of 122010101020111 in words is "one hundred twenty-two trillion, ten billion, one hundred one million, twenty thousand, one hundred eleven".