122112110021011 has 16 divisors (see below), whose sum is σ = 134820082091520. Its totient is φ = 109671987365920.

The previous prime is 122112110020997. The next prime is 122112110021053. The reversal of 122112110021011 is 110120011211221.

It is a cyclic number.

It is not a de Polignac number, because 122112110021011 - 2¹⁹ = 122112109496723 is a prime.

It is a super-2 number, since 2×122112110021011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112110021311) 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, 66805401 + ... + 68608933.

It is an arithmetic number, because the mean of its divisors is an integer number (8426255130720).

Almost surely, 2^{122112110021011} is an apocalyptic number.

122112110021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122112110021011 is a deficient number, since it is larger than the sum of its proper divisors (12707972070509).

122112110021011 is a wasteful number, since it uses less digits than its factorization.

122112110021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877786.

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

Adding to 122112110021011 its reverse (110120011211221), we get a palindrome (232232121232232).

The spelling of 122112110021011 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred ten million, twenty-one thousand, eleven".