1012020101121 has 8 divisors (see below), whose sum is σ = 1371480793024. Its totient is φ = 663619738320.

The previous prime is 1012020101089. The next prime is 1012020101123. The reversal of 1012020101121 is 1211010202101.

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

It is not a de Polignac number, because 1012020101121 - 2⁵ = 1012020101089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012020101097 and 1012020101106.

It is not an unprimeable number, because it can be changed into a prime (1012020101123) 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, 2765082061 + ... + 2765082426.

It is an arithmetic number, because the mean of its divisors is an integer number (171435099128).

Almost surely, 2^{1012020101121} is an apocalyptic number.

It is an amenable number.

1012020101121 is a deficient number, since it is larger than the sum of its proper divisors (359460691903).

1012020101121 is an equidigital number, since it uses as much as digits as its factorization.

1012020101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530164551.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012020101121 its reverse (1211010202101), we get a palindrome (2223030303222).

The spelling of 1012020101121 in words is "one trillion, twelve billion, twenty million, one hundred one thousand, one hundred twenty-one".