1011142132221 has 64 divisors (see below), whose sum is σ = 1546483276800. Its totient is φ = 582501943296.

The previous prime is 1011142132211. The next prime is 1011142132331. The reversal of 1011142132221 is 1222312411101.

It is not a de Polignac number, because 1011142132221 - 2¹⁹ = 1011141607933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011142132211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47356270 + ... + 47377616.

It is an arithmetic number, because the mean of its divisors is an integer number (24163801200).

Almost surely, 2^{1011142132221} is an apocalyptic number.

It is an amenable number.

1011142132221 is a deficient number, since it is larger than the sum of its proper divisors (535341144579).

1011142132221 is a wasteful number, since it uses less digits than its factorization.

1011142132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22138.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1011142132221 its reverse (1222312411101), we get a palindrome (2233454543322).

The spelling of 1011142132221 in words is "one trillion, eleven billion, one hundred forty-two million, one hundred thirty-two thousand, two hundred twenty-one".