1220411554141 has 32 divisors (see below), whose sum is σ = 1361259986688. Its totient is φ = 1087030264320.

The previous prime is 1220411554127. The next prime is 1220411554151. The reversal of 1220411554141 is 1414551140221.

It is not a de Polignac number, because 1220411554141 - 2²⁹ = 1219874683229 is a prime.

It is a super-2 number, since 2×1220411554141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220411554151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29107905 + ... + 29149801.

It is an arithmetic number, because the mean of its divisors is an integer number (42539374584).

Almost surely, 2^{1220411554141} is an apocalyptic number.

It is an amenable number.

1220411554141 is a deficient number, since it is larger than the sum of its proper divisors (140848432547).

1220411554141 is a wasteful number, since it uses less digits than its factorization.

1220411554141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42661.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 1220411554141 its reverse (1414551140221), we get a palindrome (2634962694362).

The spelling of 1220411554141 in words is "one trillion, two hundred twenty billion, four hundred eleven million, five hundred fifty-four thousand, one hundred forty-one".