1220000201051 has 2 divisors, whose sum is σ = 1220000201052. Its totient is φ = 1220000201050.

The previous prime is 1220000201047. The next prime is 1220000201071. The reversal of 1220000201051 is 1501020000221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220000201051 - 2² = 1220000201047 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220000201071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000100525 + 610000100526.

It is an arithmetic number, because the mean of its divisors is an integer number (610000100526).

Almost surely, 2^{1220000201051} is an apocalyptic number.

1220000201051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220000201051 is an equidigital number, since it uses as much as digits as its factorization.

1220000201051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 1220000201051 its reverse (1501020000221), we get a palindrome (2721020201272).

The spelling of 1220000201051 in words is "one trillion, two hundred twenty billion, two hundred one thousand, fifty-one".