1211000422202 has 4 divisors (see below), whose sum is σ = 1816500633306. Its totient is φ = 605500211100.

The previous prime is 1211000422193. The next prime is 1211000422223. The reversal of 1211000422202 is 2022240001121.

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., 1163315402041 + 47685020161 = 1078571^2 + 218369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302750105549 + ... + 302750105552.

Almost surely, 2^{1211000422202} is an apocalyptic number.

1211000422202 is a deficient number, since it is larger than the sum of its proper divisors (605500211104).

1211000422202 is an equidigital number, since it uses as much as digits as its factorization.

1211000422202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605500211103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1211000422202 its reverse (2022240001121), we get a palindrome (3233240423323).

The spelling of 1211000422202 in words is "one trillion, two hundred eleven billion, four hundred twenty-two thousand, two hundred two".