10222220202121 has 8 divisors (see below), whose sum is σ = 10823963993640. Its totient is φ = 9620524935168.

The previous prime is 10222220202119. The next prime is 10222220202167. The reversal of 10222220202121 is 12120202222201.

It can be written as a sum of positive squares in 4 ways, for example, as 1937494179721 + 8284726022400 = 1391939^2 + 2878320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10222220202121 - 2¹ = 10222220202119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222220202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11696976 + ... + 12540481.

It is an arithmetic number, because the mean of its divisors is an integer number (1352995499205).

Almost surely, 2^{10222220202121} is an apocalyptic number.

It is an amenable number.

10222220202121 is a deficient number, since it is larger than the sum of its proper divisors (601743791519).

10222220202121 is a wasteful number, since it uses less digits than its factorization.

10222220202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24262283.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10222220202121 its reverse (12120202222201), we get a palindrome (22342422424322).

The spelling of 10222220202121 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty million, two hundred two thousand, one hundred twenty-one".