122002011 has 16 divisors (see below), whose sum is σ = 181189920. Its totient is φ = 81133920.

The previous prime is 122002009. The next prime is 122002039. The reversal of 122002011 is 110200221.

It is not a de Polignac number, because 122002011 - 2¹ = 122002009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 122001984 and 122002002.

It is not an unprimeable number, because it can be changed into a prime (122002411) 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, 6001 + ... + 16733.

It is an arithmetic number, because the mean of its divisors is an integer number (11324370).

Almost surely, 2^122002011 is an apocalyptic number.

122002011 is a deficient number, since it is larger than the sum of its proper divisors (59187909).

122002011 is a wasteful number, since it uses less digits than its factorization.

122002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163 (or 11157 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 122002011 is about 11045.4520505048. The cubic root of 122002011 is about 495.9702914807.

Adding to 122002011 its reverse (110200221), we get a palindrome (232202232).

The spelling of 122002011 in words is "one hundred twenty-two million, two thousand, eleven".