1011213401121 has 24 divisors (see below), whose sum is σ = 1821059632704. Its totient is φ = 525305662560.

The previous prime is 1011213401119. The next prime is 1011213401147. The reversal of 1011213401121 is 1211043121101.

1011213401121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011213401121 - 2¹ = 1011213401119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011213401094 and 1011213401103.

It is not an unprimeable number, because it can be changed into a prime (1011213401101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729590506 + ... + 729591891.

It is an arithmetic number, because the mean of its divisors is an integer number (75877484696).

Almost surely, 2^{1011213401121} is an apocalyptic number.

1011213401121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011213401121 is a deficient number, since it is larger than the sum of its proper divisors (809846231583).

1011213401121 is a wasteful number, since it uses less digits than its factorization.

1011213401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459182421 (or 1459182418 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1011213401121 its reverse (1211043121101), we get a palindrome (2222256522222).

The spelling of 1011213401121 in words is "one trillion, eleven billion, two hundred thirteen million, four hundred one thousand, one hundred twenty-one".