121030200022 has 4 divisors (see below), whose sum is σ = 181545300036. Its totient is φ = 60515100010.

The previous prime is 121030200001. The next prime is 121030200091. The reversal of 121030200022 is 220002030121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220002030121 = 643 ⋅342149347.

It is a junction number, because it is equal to n+sod(n) for n = 121030199975 and 121030200011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30257550004 + ... + 30257550007.

It is an arithmetic number, because the mean of its divisors is an integer number (45386325009).

Almost surely, 2^121030200022 is an apocalyptic number.

121030200022 is a deficient number, since it is larger than the sum of its proper divisors (60515100014).

121030200022 is an equidigital number, since it uses as much as digits as its factorization.

121030200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60515100013.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 121030200022 its reverse (220002030121), we get a palindrome (341032230143).

The spelling of 121030200022 in words is "one hundred twenty-one billion, thirty million, two hundred thousand, twenty-two".