1211011210141 has 2 divisors, whose sum is σ = 1211011210142. Its totient is φ = 1211011210140.

The previous prime is 1211011210117. The next prime is 1211011210183. The reversal of 1211011210141 is 1410121101121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087335904516 + 123675305625 = 1042754^2 + 351675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211011210141 - 2¹³ = 1211011201949 is a prime.

It is a super-2 number, since 2×1211011210141² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211011219141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605505605070 + 605505605071.

It is an arithmetic number, because the mean of its divisors is an integer number (605505605071).

Almost surely, 2^{1211011210141} is an apocalyptic number.

It is an amenable number.

1211011210141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211011210141 is an equidigital number, since it uses as much as digits as its factorization.

1211011210141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1211011210141 its reverse (1410121101121), we get a palindrome (2621132311262).

The spelling of 1211011210141 in words is "one trillion, two hundred eleven billion, eleven million, two hundred ten thousand, one hundred forty-one".