1011010122021 has 16 divisors (see below), whose sum is σ = 1407107598336. Its totient is φ = 644479897776.

The previous prime is 1011010122019. The next prime is 1011010122137. The reversal of 1011010122021 is 1202210101101.

1011010122021 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 1011010122021 - 2¹ = 1011010122019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011010121988 and 1011010122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011010123021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323345 + ... + 2723958.

It is an arithmetic number, because the mean of its divisors is an integer number (87944224896).

Almost surely, 2^{1011010122021} is an apocalyptic number.

It is an amenable number.

1011010122021 is a deficient number, since it is larger than the sum of its proper divisors (396097476315).

1011010122021 is a wasteful number, since it uses less digits than its factorization.

1011010122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050232.

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

Adding to 1011010122021 its reverse (1202210101101), we get a palindrome (2213220223122).

The spelling of 1011010122021 in words is "one trillion, eleven billion, ten million, one hundred twenty-two thousand, twenty-one".