1020120212141 has 2 divisors, whose sum is σ = 1020120212142. Its totient is φ = 1020120212140.

The previous prime is 1020120212039. The next prime is 1020120212143. The reversal of 1020120212141 is 1412120210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018989302500 + 1130909641 = 1009450^2 + 33629^2 .

It is an emirp because it is prime and its reverse (1412120210201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020120212141 is a prime.

Together with 1020120212143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020120212143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510060106070 + 510060106071.

It is an arithmetic number, because the mean of its divisors is an integer number (510060106071).

Almost surely, 2^{1020120212141} is an apocalyptic number.

It is an amenable number.

1020120212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020120212141 is an equidigital number, since it uses as much as digits as its factorization.

1020120212141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1020120212141 its reverse (1412120210201), we get a palindrome (2432240422342).

The spelling of 1020120212141 in words is "one trillion, twenty billion, one hundred twenty million, two hundred twelve thousand, one hundred forty-one".