1000121100022 has 16 divisors (see below), whose sum is σ = 1638641322432. Its totient is φ = 454022854920.

The previous prime is 1000121099921. The next prime is 1000121100053. The reversal of 1000121100022 is 2200011210001.

It is a junction number, because it is equal to n+sod(n) for n = 1000121099981 and 1000121100008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28864548 + ... + 28899175.

It is an arithmetic number, because the mean of its divisors is an integer number (102415082652).

Almost surely, 2^{1000121100022} is an apocalyptic number.

1000121100022 is a deficient number, since it is larger than the sum of its proper divisors (638520222410).

1000121100022 is a wasteful number, since it uses less digits than its factorization.

1000121100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57764523.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000121100022 its reverse (2200011210001), we get a palindrome (3200132310023).

The spelling of 1000121100022 in words is "one trillion, one hundred twenty-one million, one hundred thousand, twenty-two".