1011210022121 has 8 divisors (see below), whose sum is σ = 1095676364160. Its totient is φ = 927698102352.

The previous prime is 1011210022093. The next prime is 1011210022159. The reversal of 1011210022121 is 1212200121101.

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 1011210022121 - 2³⁴ = 994030152937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011210022096 and 1011210022105.

It is not an unprimeable number, because it can be changed into a prime (1011210022171) 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, 238603361 + ... + 238607598.

It is an arithmetic number, because the mean of its divisors is an integer number (136959545520).

Almost surely, 2^{1011210022121} is an apocalyptic number.

It is an amenable number.

1011210022121 is a deficient number, since it is larger than the sum of its proper divisors (84466342039).

1011210022121 is a wasteful number, since it uses less digits than its factorization.

1011210022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477211135.

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

Adding to 1011210022121 its reverse (1212200121101), we get a palindrome (2223410143222).

The spelling of 1011210022121 in words is "one trillion, eleven billion, two hundred ten million, twenty-two thousand, one hundred twenty-one".