121022122221110 has 64 divisors (see below), whose sum is σ = 237718262605824. Its totient is φ = 43994191132800.

The previous prime is 121022122221103. The next prime is 121022122221127. The reversal of 121022122221110 is 11122221220121.

121022122221110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 6456914399 + ... + 6456933141.

It is an arithmetic number, because the mean of its divisors is an integer number (3714347853216).

Almost surely, 2^{121022122221110} is an apocalyptic number.

121022122221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022122221110 is a deficient number, since it is larger than the sum of its proper divisors (116696140384714).

121022122221110 is a wasteful number, since it uses less digits than its factorization.

121022122221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34109.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121022122221110 its reverse (11122221220121), we get a palindrome (132144343441231).

The spelling of 121022122221110 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ten".