121001112100022 has 16 divisors (see below), whose sum is σ = 226287794057472. Its totient is φ = 47143290428520.

The previous prime is 121001112099997. The next prime is 121001112100031. The reversal of 121001112100022 is 220001211100121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 392860753418 + ... + 392860753725.

It is an arithmetic number, because the mean of its divisors is an integer number (14142987128592).

Almost surely, 2^{121001112100022} is an apocalyptic number.

121001112100022 is a deficient number, since it is larger than the sum of its proper divisors (105286681957450).

121001112100022 is a wasteful number, since it uses less digits than its factorization.

121001112100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785721507163.

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

Adding to 121001112100022 its reverse (220001211100121), we get a palindrome (341002323200143).

Subtracting 121001112100022 from its reverse (220001211100121), we obtain a palindrome (99000099000099).

The spelling of 121001112100022 in words is "one hundred twenty-one trillion, one billion, one hundred twelve million, one hundred thousand, twenty-two".