1010021051 has 16 divisors (see below), whose sum is σ = 1156244544. Its totient is φ = 874020864.

The previous prime is 1010021041. The next prime is 1010021081. The reversal of 1010021051 is 1501200101.

It is not a de Polignac number, because 1010021051 - 2¹⁰ = 1010020027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010021021) 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, 47906 + ... + 65688.

It is an arithmetic number, because the mean of its divisors is an integer number (72265284).

Almost surely, 2^1010021051 is an apocalyptic number.

1010021051 is a deficient number, since it is larger than the sum of its proper divisors (146223493).

1010021051 is a wasteful number, since it uses less digits than its factorization.

1010021051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18070.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1010021051 is about 31780.8283561017. The cubic root of 1010021051 is about 1003.3292541001.

Adding to 1010021051 its reverse (1501200101), we get a palindrome (2511221152).

The spelling of 1010021051 in words is "one billion, ten million, twenty-one thousand, fifty-one".