1101221100122 has 32 divisors (see below), whose sum is σ = 1940752687104. Its totient is φ = 462017649600.

The previous prime is 1101221100113. The next prime is 1101221100139. The reversal of 1101221100122 is 2210011221011.

It is a super-2 number, since 2×1101221100122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101221100097 and 1101221100106.

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, 4078247 + ... + 4339877.

It is an arithmetic number, because the mean of its divisors is an integer number (60648521472).

Almost surely, 2^{1101221100122} is an apocalyptic number.

1101221100122 is a deficient number, since it is larger than the sum of its proper divisors (839531586982).

1101221100122 is a wasteful number, since it uses less digits than its factorization.

1101221100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276374.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1101221100122 its reverse (2210011221011), we get a palindrome (3311232321133).

The spelling of 1101221100122 in words is "one trillion, one hundred one billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-two".