1011222100121 has 8 divisors (see below), whose sum is σ = 1012061491584. Its totient is φ = 1010383025760.

The previous prime is 1011222100039. The next prime is 1011222100127. The reversal of 1011222100121 is 1210012221101.

1011222100121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011222100121 - 2³⁸ = 736344193177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011222100096 and 1011222100105.

It is not an unprimeable number, because it can be changed into a prime (1011222100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6527861 + ... + 6680973.

It is an arithmetic number, because the mean of its divisors is an integer number (126507686448).

Almost surely, 2^{1011222100121} is an apocalyptic number.

It is an amenable number.

1011222100121 is a deficient number, since it is larger than the sum of its proper divisors (839391463).

1011222100121 is a wasteful number, since it uses less digits than its factorization.

1011222100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158551.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011222100121 its reverse (1210012221101), we get a palindrome (2221234321222).

The spelling of 1011222100121 in words is "one trillion, eleven billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-one".