200221222212122 has 4 divisors (see below), whose sum is σ = 300331833318186. Its totient is φ = 100110611106060.

The previous prime is 200221222212119. The next prime is 200221222212161. The reversal of 200221222212122 is 221212222122002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 199436561084401 + 784661127721 = 14122201^2 + 885811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055305553029 + ... + 50055305553032.

Almost surely, 2^{200221222212122} is an apocalyptic number.

200221222212122 is a deficient number, since it is larger than the sum of its proper divisors (100110611106064).

200221222212122 is a wasteful number, since it uses less digits than its factorization.

200221222212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100110611106063.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 200221222212122 its reverse (221212222122002), we get a palindrome (421433444334124).

The spelling of 200221222212122 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".