121100101222 has 32 divisors (see below), whose sum is σ = 203486294880. Its totient is φ = 53714787840.

The previous prime is 121100101217. The next prime is 121100101267. The reversal of 121100101222 is 222101001121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348529 + ... + 603052.

It is an arithmetic number, because the mean of its divisors is an integer number (6358946715).

Almost surely, 2^121100101222 is an apocalyptic number.

121100101222 is a deficient number, since it is larger than the sum of its proper divisors (82386193658).

121100101222 is a wasteful number, since it uses less digits than its factorization.

121100101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951816.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121100101222 its reverse (222101001121), we get a palindrome (343201102343).

The spelling of 121100101222 in words is "one hundred twenty-one billion, one hundred million, one hundred one thousand, two hundred twenty-two".