122111611021010 has 64 divisors (see below), whose sum is σ = 240738348533760. Its totient is φ = 44319916842240.

The previous prime is 122111611020983. The next prime is 122111611021039. The reversal of 122111611021010 is 10120116111221.

It is a super-2 number, since 2×122111611021010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105122639 + ... + 106277901.

It is an arithmetic number, because the mean of its divisors is an integer number (3761536695840).

Almost surely, 2^{122111611021010} is an apocalyptic number.

122111611021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111611021010 is a deficient number, since it is larger than the sum of its proper divisors (118626737512750).

122111611021010 is a wasteful number, since it uses less digits than its factorization.

122111611021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169123.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 122111611021010 its reverse (10120116111221), we get a palindrome (132231727132231).

The spelling of 122111611021010 in words is "one hundred twenty-two trillion, one hundred eleven billion, six hundred eleven million, twenty-one thousand, ten".