122101002021111 has 16 divisors (see below), whose sum is σ = 168324483210240. Its totient is φ = 78647578522560.

The previous prime is 122101002021043. The next prime is 122101002021203. The reversal of 122101002021111 is 111120200101221.

It is a happy number.

It is not a de Polignac number, because 122101002021111 - 2¹¹ = 122101002019063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101002021611) 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, 1060454550 + ... + 1060569683.

It is an arithmetic number, because the mean of its divisors is an integer number (10520280200640).

Almost surely, 2^{122101002021111} is an apocalyptic number.

122101002021111 is a deficient number, since it is larger than the sum of its proper divisors (46223481189129).

122101002021111 is a wasteful number, since it uses less digits than its factorization.

122101002021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121024886.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122101002021111 its reverse (111120200101221), we get a palindrome (233221202122332).

The spelling of 122101002021111 in words is "one hundred twenty-two trillion, one hundred one billion, two million, twenty-one thousand, one hundred eleven".