10021121011012 has 12 divisors (see below), whose sum is σ = 17559245080720. Its totient is φ = 5004193845096.

The previous prime is 10021121011001. The next prime is 10021121011081. The reversal of 10021121011012 is 21011012112001.

It is a happy number.

10021121011012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10021121010983 and 10021121011001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591661562 + ... + 1591667857.

Almost surely, 2^{10021121011012} is an apocalyptic number.

It is an amenable number.

10021121011012 is a deficient number, since it is larger than the sum of its proper divisors (7538124069708).

10021121011012 is a wasteful number, since it uses less digits than its factorization.

10021121011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183330210 (or 3183330208 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10021121011012 its reverse (21011012112001), we get a palindrome (31032133123013).

The spelling of 10021121011012 in words is "ten trillion, twenty-one billion, one hundred twenty-one million, eleven thousand, twelve".