121012101220222 has 16 divisors (see below), whose sum is σ = 182100163728240. Its totient is φ = 60312051064512.

The previous prime is 121012101220189. The next prime is 121012101220247. The reversal of 121012101220222 is 222022101210121.

It is a super-2 number, since 2×121012101220222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121012101220222.

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, 56058804 + ... + 58177432.

It is an arithmetic number, because the mean of its divisors is an integer number (11381260233015).

Almost surely, 2^{121012101220222} is an apocalyptic number.

121012101220222 is a deficient number, since it is larger than the sum of its proper divisors (61088062508018).

121012101220222 is a wasteful number, since it uses less digits than its factorization.

121012101220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210187.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121012101220222 its reverse (222022101210121), we get a palindrome (343034202430343).

The spelling of 121012101220222 in words is "one hundred twenty-one trillion, twelve billion, one hundred one million, two hundred twenty thousand, two hundred twenty-two".